| Picture File | Related File | Code |
| Abacus | | ABAC |
| | China–Industries | CHIN–Ind |
| Abandoned buildings & towns | | ABAN |
| Abbeys (Christian religious houses for men or women) | | ABB |
| | Cloisters | CLOIS |
| | Convents | CONVE |
| | Monasteries | MONA |
| | Religious orders | RELIGI–Ord |
| Abbeys — A–L (Subdivided by country) | | ABB–(A–L) |
| Abbeys — M–Z (Subdivided by country) | | ABB–(M–Z) |
| Abortion | | ABO |
| Accidents | | ACC |
| | Airplanes–Wrecks | AIRP–Wre |
| | Ambulances | AMBU |
| | Automobiles–Wrecks | AUTOMO–Wre |
| | Coal mining–Accidents | COALMI–Acc |
| | First aid | FIRS–Aid |
| | Horseback riding–Accidents | HORS–Acc |
| | Rescues & survivors | RESC |
| | Safety | SAFET |
| | Shipwrecks | SHIPW |
| | Wounded | WOUN |
| Acrobats | | ACR |
| | Circus | CIR |
| | Clowns | CLOW |
| | Stunts | STUNT |
| | Vaudeville | VAUD |
| Adobe | | ADO |
| | Building construction | BUI |
| | Houses–African | HOUSE–Afr |
| | Houses–American | HOUSE–Ame |
| | Houses–Mexican | HOUSE–Mex |
| Adoption | | ADOP |
| Adult education | | ADU |
| | Americanization | AMER |
| | Colleges & universities | COLLE |
| | Schools | SCHO |
| | Teaching | TEAC |
| Advertising (General) | | ADV |
| | Billboards | BILLB |
| | Broadsides | BROA |
| | Layout | LAY |
| | Lettering | LETT |
| | Matches | MAT |
| | Posters | POSTE |
| | Sandwich men | SANDW |
| | Signboards | SIGNB |
| | Signs | SIGNS |
| | Trade cards | TRAD |
| | Window displays | WINDOD |
| Advertising — 1799 & earlier | | ADV–17 |
| Advertising — 1800s | | ADV–18 |
| Advertising — 1901s | | ADV–190 |
| Advertising — 1910s | | ADV–191 |
| Advertising — 1920s | | ADV–192 |
| Advertising — 1930s | | ADV–193 |
| Advertising — 1940s | | ADV–194 |
| Advertising — 1950s | | ADV–195 |
| Advertising — 1960s | | ADV–196 |
| Advertising — 1970s | | ADV–197 |
| Advertising — 1980s | | ADV–198 |
| Advertising — 1990s | | ADV–199 |
| Advertising — 2001s | | ADV–200 |
| Advertising — Banking | | ADV–Ban |
| Advertising — Beauty culture | | ADV–Bea |
| | Advertising–Cosmetics | ADV–Cos |
| | Advertising–Hair products | ADV–Hai |
| | Advertising–Perfumes | ADV–Per |
| Advertising — Beers–1901s–1920s | | ADV–Bee–190 |
| Advertising — Beers–1930s | | ADV–Bee–193 |
| Advertising — Beers–1940s | | ADV–Bee–194 |
| Advertising — Beers–1950s | | ADV–Bee–195 |
| Advertising — Beers–1960s | | ADV–Bee–196 |
| Advertising — Beers–1970s | | ADV–Bee–197 |
| Advertising — Beers–1980s | | ADV–Bee–198 |
| Advertising — Beers–1990s | | ADV–Bee–199 |
| Advertising — Beers–2001s | | ADV–Bee–200 |
| Advertising — Cartoons | | ADV–Car |
| Advertising — Cereals | | ADV–Cer |
| | Advertising–Milk | ADV–Mi1 |
| Advertising — Chocolate | | ADV–Cho |
| Advertising — Cigarets–1901s–1910s | | ADV–Cig–190 |
| Advertising — Cigarets–1920s | | ADV–Cig–192 |
| Advertising — Cigarets–1930s | | ADV–Cig–193 |
| Advertising — Cigarets–1940s | | ADV–Cig–194 |
| Advertising — Cigarets–1950s | | ADV–Cig–195 |
| Advertising — Cigarets–1960s | | ADV–Cig–196 |
| Advertising — Cigarets–1970s | | ADV–Cig–197 |
| Advertising — Cigarets–1980s | | ADV–Cig–198 |
| Advertising — Cigarets–1990s | | ADV–Cig–199 |
| Advertising — Cigarets–2001s | | ADV–Cig–200 |
| Advertising — Cigars | | ADV–Ciga |
| Advertising — Cleansers | | ADV–Cle |
| | Advertising–Soaps | ADV–Soa |
| Advertising — Coffees | | ADV–Cof |
| Advertising — Confections | | ADV–Con |
| Advertising — Cosmetics | | ADV–Cos |
| | Advertising–Beauty culture | ADV–Bea |
| | Advertising–Hair products | ADV–Hai |
| | Advertising–Perfumes | ADV–Per |
| Advertising — Cosmetics — 1901s–1910s | | ADV–Cos–190 |
| Advertising — Cosmetics — 1920s | | ADV–Cos–192 |
| Advertising — Cosmetics — 1930s | | ADV–Cos–193 |
| Advertising — Cosmetics — 1940s | | ADV–Cos–194 |
| Advertising — Cosmetics — 1950s | | ADV–Cos–195 |
| Advertising — Cosmetics — 1960s | | ADV–Cos–196 |
| Advertising — Cosmetics — 1970s | | ADV–Cos–197 |
| Advertising — Cosmetics — 1980s | | ADV–Cos–198 |
| Advertising — Cosmetics — 1990s | | ADV–Cos–199 |
| Advertising — Cosmetics — 2001s | | ADV–Cos–200 |
| Advertising — Dental products | | ADV–Den |
| Advertising — Electricity | | ADV–Ele |
| Advertising — Food | | ADV–Foo |
| | Advertising–Cereals | ADV–Cer |
| | Advertising–Chocolate | ADV–Cho |
| | Advertising–Coffees | ADV–Cof |
| | Advertising–Confections | ADV–Con |
| | Advertising–Juices | ADV–Jui |
| | Advertising–Milk | ADV–Mil |
| | Advertising–Teas | ADV–Tea |
| Advertising — Food — 1901s | | ADV–Foo–190 |
| Advertising — Food — 1910s | | ADV–Foo–191 |
| Advertising — Food — 1920s | | ADV–Foo–192 |
| Advertising — Food — 1930s | | ADV–Foo–193 |
| Advertising — Food — 1940s | | ADV–Foo–194 |
| Advertising — Food — 1950s | | ADV–Foo–195 |
| Advertising — Food — 1960s | | ADV–Foo–196 |
| Advertising — Food — 1970s | | ADV–Foo–197 |
| Advertising — Food — 1980s | | ADV–Foo–198 |
| Advertising — Food — 1990s | | ADV–Foo–199 |
| Advertising — Food — 2001s | | ADV–Foo–200 |
| Advertising — Gas & oils | | ADV–Gas |
| Advertising — Hair products | | ADV–Hai |
| | Hairdressing | HAIRD |
| Advertising — Insecticides | | ADV–Ins |
| Advertising — Juices | | ADV–Jui |
| Advertising — Liquors | | ADV–Liq |
| | Advertising–Beers | ADV–Bee |
| | Advertising–Wines | ADV–Win |
| Advertising — Liquors — 1901s–1910s | | ADV–Liq–190 |
| Advertising — Liquors — 1920s | | ADV–Liq–192 |
| Advertising — Liquors — 1930s | | ADV–Liq–193 |
| Advertising — Liquors — 1940s | | ADV–Liq–194 |
| Advertising — Liquors — 1950s | | ADV–Liq–195 |
| Advertising — Liquors — 1960s | | ADV–Liq–196 |
| Advertising — Liquors — 1970s | | ADV–Liq–197 |
| Advertising — Liquors — 1980s | | ADV–Liq–198 |
| Advertising — Liquors — 1990s | | ADV–Liq–199 |
| Advertising — Liquors — 2001s | | ADV–Liq–200 |
| Advertising — Medicinal products | | ADV–Med |
| | Advertising–l799 & earlier | ADV–17 |
| | Advertising–1800s | ADV–18 |
| Advertising — Milk | | ADV–Mil |
| Advertising — Moving pictures | | ADV–Mov |
| | Posters–Moving pictures | POSTE–Mov |
| Advertising — Paper products | | ADV–Pap |
| | Paper novelties | PAP–Nov |
| | Paper products | PAP–Pro |
| Advertising — Perfumes–1901s–1910s | | ADV–Per–190 |
| Advertising — Perfumes–1920s | | ADV–Per–192 |
| Advertising — Perfumes–1930s | | ADV–Per–193 |
| Advertising — Perfumes–1940s | | ADV–Per–194 |
| Advertising — Perfumes–1950s | | ADV–Per–195 |
| Advertising — Perfumes–1960s | | ADV–Per–196 |
| Advertising — Perfumes–1970s | | ADV–Per–197 |
| Advertising — Perfumes–1980s | | ADV–Per–198 |
| Advertising — Perfumes–1990s | | ADV–Per–199 |
| Advertising — Perfumes–2001s | | ADV–Per–200 |
| Advertising — Publications | | ADV–Pub |
| Advertising — Railroads | | ADV–Rai |
| | Advertising–Travel | ADV–Tra |
| | Posters–Travel | POSTE–Tra |
| Advertising — Sculpture | | ADV–Scu |
| Advertising — Shipping | | ADV–Shi |
| Advertising — Soaps | | ADV–Soa |
| Advertising — Soft drinks | | ADV–Sof |
| Advertising — Teas | | ADV–Tea |
| Advertising — Telephones | | ADV–Tel |
| Advertising — Tobaccos | | ADV–Tob |
| | Advertising–Cigarets | ADV–Cig |
| | Advertising—Cigars | ADV–Ciga |
| Advertising — Travel | | ADV–Tra |
| | Advertising–Railroads | ADV–Rai |
| | Posters–Travel | POSTE–Tra |
| Advertising — Travel–Air | | ADV–Traa |
| Advertising — Travel–Bus | | ADV–Trab |
| Advertising — Travel–Sea | | ADV–Tras |
| Advertising — Waters | | ADV–Wat |
| Advertising — Wines | | ADV–Win |
| | Advertising–Beers | ADV–Bee |
| | Advertising–Liquors | ADV–Liq |
| Advertising — Wines–1910s–1930s | | ADV–Win–190 |
| Advertising — Wines–1940s | | ADV–Win–194 |
| Advertising — Wines–1950s | | ADV–Win–195 |
| Advertising — Wines–1960s | | ADV–Win–196 |
| Advertising — Wines–1970s | | ADV–Win–197 |
| Advertising — Wines–1980s | | ADV–Win–198 |
| Advertising — Wines–1990s | | ADV–Win–199 |
| Advertising — Wines–2001s | | ADV–Win–200 |
| Aeronautics (Pictures of the history of the science of aeronautics) | | AER |
| | Air bases & fields (Military only) | AIR–Bas |
| | Air freighters | AIR–Fre |
| | Air liners | AIR–Lin |
| | Air raids | AIR–Rai |
| | Air shows | AIR–Sho |
| | Aircraft carriers | AIRCC |
| | Airplanes | AIRP |
| | Airports | AIRPO |
| | Balloons | BALLO |
| | Dirigibles | DIR |
| | Engines–Aeronautic | ENGI–Aer |
| | Flight | FLI |
| | Gliders | GLI |
| | Helicopters | HELI |
| | Korean War | KORE |
| | Mythology–Icarus | MYT–Ica |
| | Persian Gulf War | PERSI |
| | Stunt flying | STUN |
| | Vietnamese War | VIET |
| | World War I–Air operations | WOR I–Air |
| | World War II–Air operations | WOR II–Air |
| Aeronautics — 1899 & earlier | | AER–18 |
| Aeronautics — 1901s | | AER–190 |
| Aeronautics — 1910s | | AER–191 |
| Aeronautics — 1920s | | AER–192 |
| Aeronautics — 1930s | | AER–193 |
| Aeronautics — 1940s | | AER–194 |
| Aeronautics — 1950s–1970s | | AER–195 |
| Aeronautics — 1980s–1990s | | AER–198 |
| Aeronautics — 2001s | | AER–200 |
| Aeronautics — Cartoons | | AER–Car |
| Aeronautics — Instruments | | AER–Ins |
| Aeronautics — Tests | | AER–Tes |
| Afghanistan | | AFG |
| Afghanistan — History | | AFG–His |
| Afghanistan — Life | | AFG–Lif |
| Africa | | AFR |
| | Algeria | ALGE |
| | Angola (Including Cabinda) | ANGO |
| | Benin | BENI |
| | Botswana | BOTS |
| | Burkina Faso | BURK |
| | Burundi | BURU |
| | Cameroon | CAMERO |
| | Cape Verde Islands | CAP |
| | Central African Republic | CENTR |
| | Chad | CHA |
| | Comoros (Including Mayotte) | COMO |
| | Congo | CONG |
| | Djibouti | DJI |
| | Egypt | EGY |
| | Equatorial Guinea | EQUAT |
| | Ethiopia | ETH |
| | France–Reunion | FRA– (M–Z) |
| | Gabon | GAB |
| | Gambia | GAMB |
| | Ghana | GHA |
| | Guinea | GUIN |
| | Guinea–Bissau | GUINE |
| | Ivory Coast | IVORY |
| | Kenya | KENY |
| | Lesotho | LES |
| | Liberia | LIB |
| | Libya | LIBY |
| | Madagascar | MADA |
| | Madeira | MADE |
| | Malawi | MAL |
| | Mali | MALI |
| | Mauritania | MAU |
| | Mauritius (Including part of British Indian Ocean Territories) | MAUR |
| | Morocco (Including Alhucemas, Ceuta, Chafarinas Islands, Melilla, Penon de Velez de la Gomera & Western Sahara.) | MORO |
| | Mozambique | MOZ |
| | Namibia (Including Walvis Bay) | NAM |
| | Niger | NIG |
| | Nigeria | NIGE |
| | Portugal–Sao Tome e Prinicipe | PORTU– (A–Z |
| | Rwanda | RWA |
| | Senegal | SEN |
| | Seychelles (Including part of British Indian Ocean Territories) | SEY |
| | Sierra Leone | SIE |
| | Somalia | SOM |
| | South Africa | SOUT |
| | South Atlantic Islands (Including Saint Helena Island) | SOUTH–Atl |
| | Spain–Canary Islands | SPAI–Can |
| | Sudan | SUD |
| | Swaziland | SWAZ |
| | Tanzania | TANZ |
| | Togo | TOG |
| | Tunisia | TUN |
| | Uganda | UGA |
| | Zaire | ZAI |
| | Zambia | ZAM |
| | Zimbabwe | ZIM |
| Africa — Desert | | AFR–Des |
| | Algeria–Desert | ALGE–Des |
| Africa — Fauna | | AFR–Fau |
| Africa — Flora | | AFR–Flo |
| Africa — History | | AFR–His |
| Africa — Industries | | AFR–Ind |
| Africa — Life | | AFR–Lif |
| | Chad–Life | CHA–Lif |
| | Guinea–Life | GUIN–Lif |
| | Guinea–Bushman | GUIN–B |
| | Guinea–Pygmy | GUIN–P |
| Africa — Mountains | | AFR–Mou |
| Africa — Rivers | | AFR–Riv |
| Aged | | AGED |
| | Almshouses & workhouses | ALM |
| | Homes (Institutional) | HOME |
| | Life–Allegorical | LIFE–All |
| Agriculture | | AGR |
| | Alfalfa | ALF |
| | Animals–Donkey | ANI–Don |
| | Animals–Goat | ANI–Goa |
| | Animals–Mule | ANI–Mul |
| | Animals–Rabbit | ANI–Rab |
| | Barns | BARNS |
| | Barnyards | BARNY |
| | Bee culture | BEE |
| | Chickens | CHIC |
| | Corn | CORN |
| | Cotton | COTT |
| | Cotton industry | COTTO |
| | Dairying | DAI |
| | Dogs | DOGS |
| | Ducks | DUCK |
| | Dyes & dyeing | DYE |
| | Egg industry | EGG |
| | Farm buildings | FARM–Bui |
| | Farm life | FARM–Lif |
| | Farmers | FARME |
| | Farmhouses | FARMH |
| | Farms | FARMS |
| | Fertilizers | FERT |
| | Flax | FLAX |
| | Flowers & plants–Clover | FLOW–Clo |
| | Four–H clubs | FOUR |
| | Fungi | FUNG |
| | Geese | GEE |
| | Grains & grasses | GRAIN |
| | Harvest | HARV |
| | Hay | HAY |
| | Horses | HORSE |
| | Insecticides | INS |
| | Irrigation | IRR |
| | Milk–Milking | MILK–Mil |
| | Plantations | PLANT |
| | Poultry industry | POU |
| | Rice | RICE |
| | Seeds | SEED |
| | Shepherds | SHEP |
| | Silos | SILO |
| | Sorghum | SORG |
| | Stock raising | STOC |
| | Sugar cane | SUGA |
| | Sugar cane industry | SUGA–Ind |
| | Tobacco | TOB |
| | Truck farming | TRU–Far |
| | Turkeys | TUR |
| | Vegetables | VEG |
| | Wheat | WHEA |
| Agriculture — 1799 & earlier | | AGR–17 |
| Agriculture — 1800s | | AGR–18 |
| Agriculture — A–Z (Subdivided by country) | | AGR–(A–Z) |
| Agriculture — Ancient | | AGR–Anc |
| Agriculture — Combine | | AGR–Com |
| Agriculture — Cultivator | | AGR–Cul |
| Agriculture — Harrow | | AGR–har |
| Agriculture — Harvester | | AGR–Har |
| Agriculture — Pests | | AGR–Pes |
| | Insects–Harmful | INSE–Har |
| | Insects–Weevil | INSE–Wee |
| Agriculture — Planter | | AGR–Pla |
| Agriculture — Plow | | AGR–Plo |
| Agriculture — Rake | | AGR–Rak |
| Agriculture — Reaper | | AGR–Rea |
| Agriculture — Scythe | | AGR–Scy |
| Agriculture — Sower | | AGR–Sow |
| Agriculture — Spreader | | AGR–Spr |
| Agriculture — Thresher | | AGR–Thr |
| Agriculture — Tractor | | AGR–Tra |
| Air bases & fields (Military only) | | AIR–Bas |
| Air boats | | AIR–Boa |
| | Airports | AIRPO |
| Air conditioning | | AIR–Con |
| | Advertising–Electricity | ADV–Ele |
| Air force (Personnel & uniforms) | | AIR–For |
| | Air bases & fields (Military only) | AIR–Bas |
| Air force — A–Z (Subdivided by Country) | | AIR–For–(A–Z) |
| Air force — Academy (U.S.) | | AIR–For–Aca |
| Air force — Canada | | AIR–For–Can |
| Air force — China | | AIR–For–Chi |
| Air force — France | | AIR–For–Fra |
| Air force — Germany | | AIR–For–Ger |
| Air force — Great Britain | | AIR–For–Gre |
| Air force — Japan | | AIR–For–Jap |
| Air force — Russia | | AIR–For–Rus |
| Air force — United States | | AIR–For–US |
| | Air force–Academy (U.S.) | AIR–For–Ac |
| Air freighters (Cargo planes, whether commercial or military) | | AIR–Fre |
| Air liners (Commercial passenger planes) | | AIR–Lin |
| | Advertising–Travel–Air | ADV–Traa |
| Air liners — 1901s–1920s | | AIR–Lin–190 |
| Air liners — 1930s | | AIR–Lin–193 |
| Air liners — 1940s | | AIR–Lin–194 |
| Air liners — 1950s | | AIR–Lin–195 |
| Air liners — 1960s | | AIR–Lin–196 |
| Air liners — 1970s | | AIR–Lin–197 |
| Air liners — 1980s | | AIR–Lin–198 |
| Air liners — 1990s | | AIR–Lin–199 |
| Air liners — 2001s | | AIR–Lin–200 |
| Air liners interiors | | AIR–Lini |
| Air liners personnel | | AIR–Linp |
| | Advertising–Travel–Air | ADV–Traa |
| Air raids | | AIR–Rai |
| | Wounded | WOUN |
| | Wounded–World War II | WOUN–WW II |
| Air raids — A–Z (Subdivided by country) | | AIR–Rai–(A–Z) |
| Air raids — Cartoons | | AIR–Rai–Car |
| Air raids — China | | AIR–Rai–Chi |
| Air raids — England | | AIR–Rai–Eng |
| | Air raids–London | AIR–Rai–Lo |
| Air raids — France | | AIR–Rai–Fra |
| Air raids — Germany | | AIR–Rai–Ger |
| Air raids — London | | AIR–Rai–Lon |
| Air raids — Precautions | | AIR–Rai–Pre |
| Air raids — Shelters | | AIR–Rai–She |
| Air raids — Wardens | | AIR–Rai–War |
| Air shows | | AIR–Sho |
| | Airplanes–Formations | AIRP–For |
| | Stunt flying | STUN |
| Air views | | AIR–Vie |
| | Bird's eye views | BIRDSE |
| | London–Air views | LON–Air |
| | New York City–Air views | NEW YC–Air |
| | Paris–Air Views | PARI–Air |
| | Washington, D.C.–Air views | WAS–Air |
| Aircraft carriers | | AIRCC |
| Aircraft carriers — Great Britain | | AIRCC–Gr |
| Aircraft carriers — United States | | AIRCC–US |
| Aircraft industry (The manufacture of all types of aircraft) | | AIRCI |
| Aircraft industry — 1901s–1920s | | AIRCI–190 |
| Aircraft industry — 1930s | | AIRCI–193 |
| Aircraft industry — 1940s | | AIRCI–194 |
| Aircraft industry — 1950s–1960s | | AIRCI–195 |
| Aircraft industry — 1970s–1990s | | AIRCI–197 |
| Aircraft industry — 2000s | | AIRCI–200 |
| Airplanes | | AIRP |
| | Aeronautics | AER |
| | Air bases & fields (Military only) | AIR–Bas |
| | Air freighters | AIR–Fre |
| | Air liners | AIR–Lin |
| | Air raids | AIR–Rai |
| | Air shows | AIR–Sho |
| | Aircraft carriers | AIRCC |
| | Airports | AIRPO |
| | Korean War | KORE |
| | Persian Gulf War | PERSI |
| | Stunt flying | STUN |
| | World War I–Air operations | WOR I–Air |
| | World War II–Air operations | WOR II–Air |
| Airplanes — 1910s | | AIRP–191 |
| Airplanes — 1920s | | AIRP–192 |
| Airplanes — 1930s | | AIRP–193 |
| Airplanes — 1940s | | AIRP–194 |
| Airplanes — 1950s | | AIRP–195 |
| Airplanes — 1960s | | AIRP–196 |
| Airplanes — 1970s | | AIRP–197 |
| Airplanes — 1980s | | AIRP–198 |
| Airplanes — 1990s | | AIRP–199 |
| Airplanes — 2001s | | AIRP–200 |
| Airplanes — Flight training | | AIRP–Fli |
| Airplanes — Formations | | AIRP–For |
| | Air shows | AIR–Sho |
| | Stunt flying | STUN |
| Airplanes — Maintenance & repair | | AIRP–Mai |
| | Advertising–Gas & oils | ADV–Gas |
| Airplanes — Models (Any model, however simple or complex, which flies; and any non–flying model which is not a toy) | | AIRP–Mod |
| Airplanes — Private | | AIRP–Pri |
| Airplanes — Propellers | | AIRP–Pro |
| Airplanes — Wrecks | | AIRP–Wre |
| Airports | | AIRPO |
| | Advertising–Travel–Air | ADV–Traa |
| | Air bases & fields (Military only) | AIR–Bas |
| Airports — A–L (Subdivided by country) | | AIRPO–(A–L) |
| Airports – England | | AIRPO– (A–L) |
| | London–Airports & terminals | LON–Airp |
| Airports — M–Z (Subdivided by country) | | AIRPO–(M–Z) |
| Airports — United States | | AIRPO–US |
| | New York City–Airports & terminals | NEW YC–Airp |
| Alabama | | ALA |
| Alabama — 1899 & earlier | | ALA–18 |
| Alabama — A–Z | | ALA–(A–Z) |
| Alabama — Birmingham | | ALA–Bir |
| Alabama — Industries | | ALA–Ind |
| Alabama — Life | | ALA–Lif |
| Alabama — Montgomery | | ALA–Mon |
| Alaska | | ALAS |
| Alaska — 1899 & earlier | | ALAS–18 |
| Alaska — A–Z | | ALAS–(A–Z) |
| Alaska — Aleutian Islands | | ALAS–(A–Z) |
| Alaska — Fauna & flora | | ALAS–fau |
| Alaska — Industries | | ALAS–Ind |
| Alaska — Juneau | | ALAS–Jun |
| Alaska — Life | | ALAS–Lif |
| Alaska — Mountains | | ALAS–Mou |
| Alaska — Rivers | | ALAS–Riv |
| Albania | | ALB |
| Albania — History | | ALB–His |
| Albania — Life | | ALB–Lif |
| Albums & scrapbooks | | ALBU |
| Alchemy | | ALC |
| Alfalfa (Medicago sativa) | | ALF |
| Algae | | ALG |
| Algeria | | ALGE |
| Algeria — A–Z | | ALGE–(A–Z) |
| Algeria — Algiers | | ALGE–Alg |
| Algeria — Desert | | ALGE–Des |
| Algeria — History | | ALGE–His |
| Algeria — Industries | | ALGE–Ind |
| Algeria — Life | | ALGE–Lif |
| Algeria — Mountains | | ALGE–Mou |
| Algeria — Oran | | ALGE–Ora |
| Allegories | | ALLE |
| | Bible–Allegorical | BIB–All |
| | Death–Allegorical | DEAT–All |
| | Education–Allegorical | EDU–All |
| | Fortune–Allegorical | FORTU–All |
| | Freedom–Allegorical | FREE |
| | Industry–Allegorical | INDUS |
| | Justice–Allegorical | JUS–All |
| | Labor–Allegorical | LAB–All |
| | Law & lawyers–Allegorical | LAW–All |
| | Liberty–Allegorical | LIBE–All |
| | Life–Allegorical | LIFE–All |
| | Love–Allegorical | LOV–All |
| | Marriage–Allegorical | MARRI–All |
| | Medicine–Allegorical | MEDIC–All |
| | Music–Allegorical | MUSIC–All |
| | Night–Allegorical | NIGH–All |
| | Paris–Allegorical | PARI–All |
| | Peace–Allegorical | PEA–All |
| | Power–Allegorical | POW |
| | Science–Allegorical | SCI–All |
| | Theatre–Allegorical | THE–All |
| | Time–Allegorical | TIM–All |
| | Victory–Allegorical | VICT |
| | War–Allegorical | WAR–All |
| Allegories — A–Z | | ALLE–(A–Z) |
| Allegories — Abundance | | ALLE– (A–Z) |
| Allegories — Arts | | ALLE–Art |
| Allegories — Cities | | ALLE–Cit |
| Allegories — Continents | | ALLE–Con |
| Allegories — Countries | | ALLE–Cou |
| Allegories — Countries–A–Z | | ALLE–Cou–(A–Z) |
| Allegories — Countries–France | | ALLE–Cou–Fra |
| Allegories — Countries–Germany | | ALLE–Cou–Ger |
| Allegories —Countries–Great Britain | | ALLE–Cou–Gre |
| | John Bull | JOH |
| Allegories — Countries–United States | | ALLE–Cou–US |
| | Uncle Sam | UNC |
| Allegories — Knowledge | | ALLE– (A–Z) |
| Allegories — Prosperity | | ALLE– (A–Z) |
| Allegories — Vices | | ALLE–Vic |
| Allegories — Virtues | | ALLE–Vir |
| Allegories — Wealth | | ALLE– (A–Z) |
| Allegories — Wisdom | | ALLE– (A–Z) |
| Alleys | | ALLEY |
| Almshouses & workhouses | | ALM |
| Alphabets | | ALPH |
| Alphabets — A–L | | ALPH–(A–L) |
| Alphabets — Braille | | ALPH–Bra |
| | Blind | BLI |
| Alphabets — Egyptian | | ALPH–Egy |
| Alphabets — M–Z | | ALPH–(M–Z) |
| Alphabets — Shorthand | | ALPH–Sho |
| Altarpieces | | ALT |
| Altars | | ALTA |
| Alternative Medicine | | ALTE |
| | Medicine–Regional | MEDIC–Reg |
| Aluminum | | ALU |
| Amber | | AMB |
| Ambulances | | AMBU |
| | Accidents | ACC |
| | Transportation | TRAN |
| American history (General) | | AME |
| American history — 1499 & earlier | | AME–14 |
| American history — 1500s | | AME–15 |
| American history — 1600s | | AME–16 |
| American history — 1601s | | AME–160 |
| American history — 1610s | | AME–161 |
| American history — 1620s | | AME–162 |
| American history — 1630s | | AME–163 |
| American history — 1640s | | AME–164 |
| American history — 1650s | | AME–165 |
| American history — 1660s | | AME–166 |
| American history — 1670s | | AME–167 |
| American history — 1680s | | AME–168 |
| American history — 1690s | | AME–169 |
| American history — 1700s | | AME–17 |
| American history — 1701s | | AME–170 |
| American history — 1710s | | AME–171 |
| American history — 1720s | | AME–172 |
| American history — 1730s | | AME–173 |
| American history — 1740s | | AME–174 |
| American history — 1750s | | AME–175 |
| American history — 1760s | | AME–176 |
| American history — 1770s | | AME–177 |
| American history — 1775 | | AME–1775 |
| American history — 1776 | | AME–1776 |
| American history — 1778 | | AME–1778 |
| American history — 1779 | | AME–1779 |
| American history — 1800s | | AME–18 |
| American history — 1801s | | AME–180 |
| American history — 1810s | | AME–171 |
| American history — 1820s | | AME–182 |
| American history — 1830s | | AME–183 |
| American history — 1840s | | AME–184 |
| American history — 1850s | | AME–185 |
| American history — 1860s | | AME–186 |
| American history — 1861 | | AME–1861 |
| American history — 1862 | | AME–1862 |
| American history — 1863 | | AME–1863 |
| American history — 1864 | | AME–1864 |
| American history — 1865 | | AME–1865 |
| American history — 1870s | | AME–187 |
| American history — 1880s | | AME–188 |
| American history — 1890s | | AME–189 |
| American history — 1901s | | AME–190 |
| American history — 1910s | | AME–191 |
| American history — 1920s | | AME–192 |
| American history — 1930s | | AME–193 |
| American history — 1940s | | AME–194 |
| American history — 1950s | | AME–195 |
| American history — 1960s | | AME–196 |
| American history — 1970s | | AME–197 |
| American history — 1980s | | AME–198 |
| American history — 1990s | | AME–199 |
| American history — 2001s | | AME–200 |
| American history — Great Depression | | AME–Gre |
| American Legion | | AMEL |
| Americanization | | AMER |
| Ammunition (The projectiles with their fuses, propelling charges, or primers fired from guns) | | AMM |
| Amphibia | | AMP |
| | Frogs & toads | FROG |
| | Salamanders | SALA |
| Amusement parks | | AMU |
| | England–Blackpool | ENGL– (A–L) |
| | Ferris wheels | FERRI |
| | London–Chelsea | LON–Che |
| | London–Parks | LON–Parks |
| | Merry–go–rounds | MERR |
| | New York City–Coney Island | NEW YC–Cone |
| | Parachute jumping | PAR |
| | Punch & Judy | PUNC |
| | Roller coasters | ROL |
| Amusement parks — Disney | | AMU–Dis |
| Anarchism | | ANAR |
| | American history | AME |
| Anatomy | | ANAT |
| Anatomy — A–Z | | ANAT–(A–Z) |
| Anatomy — Artists, for | | ANAT–Art |
| | Nude | NUD |
| Anatomy — Bones | | ANAT–Bon |
| Anatomy — Brain | | ANAT–Bra |
| Anatomy — Circulatory system | | ANAT–Cir |
| Anatomy — Comparative | | ANAT–Com |
| Anatomy — Digestive system | | ANAT–Dig |
| Anatomy — Ear | | ANAT–Ear |
| Anatomy — Eye | | ANAT–Eye |
| Anatomy — Foot | | ANAT–Foo |
| Anatomy — Gland | | ANAT–Gla |
| Anatomy — Heart | | ANAT–Hea |
| Anatomy — Models | | ANAT–Mod |
| Anatomy — Muscles | | ANAT–Mus |
| Anatomy — Nervous system | | ANAT–Ner |
| Anatomy — Nose & throat | | ANAT–Nos |
| Anatomy — Reproductive system | | ANAT–Rep |
| | Birth (Human) | BIRTH–Hum |
| | Embryology | EMBRY |
| Anatomy — Respiratory system | | ANAT–Res |
| Anchors | | ANC |
| Andorra | | AND |
| Anesthetics | | ANE |
| | Medicine–Surgery | MEDIC–Surg |
| Angels | | ANG |
| | Cherubs | CHER |
| | Cupids | CUP |
| | Heaven & hell | HEAV |
| Angola | | ANGO |
| Animals (Mammals only) | | ANI |
| | Cats | CATS |
| | Dogs | DOGS |
| | Horses | HORSE |
| | Monkeys & apes | MONK |
| Animals — A–B | | ANI–(A–B) |
| Animals — Action | | ANI–Act |
| Animals — Alpaca | | ANI–Alp |
| Animals — Anatomy | | ANI–Ana |
| Animals — Anteater | | ANI–Ant |
| Animals — Antelope | | ANI–Ante |
| Animals — Armadillo | | ANI–Arm |
| Animals — Badger | | ANI–Bad |
| Animals — Bat | | ANI–Bat |
| Animals — Bear | | ANI–Bea |
| Animals — Beaver | | ANI–Beav |
| Animals — Behavior | | ANI–Beh |
| Animals — Birth | | ANI–Bir |
| Animals — Bison | | ANI–Bis |
| Animals — Boar | | ANI–Boa |
| Animals — Breeding | | ANI–Bre |
| Animals — Buffalo | | ANI–Buf |
| Animals — C | | ANI–(C) |
| Animals — Camel | | ANI–Cam |
| Animals — Cartoons | | ANI–Car |
| Animals — Cattle | | ANI–Cat |
| Animals — Cheetah | | ANI–Che |
| Animals — Chinchilla | | ANI–Chi |
| Animals — Chipmunk | | ANI–Chip |
| Animals — Civet | | ANI–Civ |
| Animals — Cow | | |
| | Animals–Cattle | ANI–Cat |
| Animals — Coyote | | ANI–Coy |
| Animals — D–F | | ANI–(D–F) |
| Animals — Dead | | ANI–Dea |
| Animals — Deer | | ANI–Dee |
| Animals — Design | | ANI–Des |
| Animals — Dolphin | | ANI–Dol |
| | Animals–Whale (Including the killer whale (Orcinus orca), which is a dolphin) | ANI–Wha |
| Animals — Donkey | | ANI–Don |
| Animals — Drawings | | ANI–Dra |
| Animals — Drinking | | ANI–Dri |
| Animals — Eland | | ANI–Ela |
| Animals — Elephant | | ANI–Ele |
| Animals — Elk | | ANI–Elk |
| Animals — Embryology | | ANI–Emb |
| Animals — Fighting | | ANI–Fig |
| Animals — Fox | | ANI–Fox |
| Animals — Friendship | | ANI–Fri |
| Animals — G–L | | ANI–(G–L) |
| Animals — Giraffe | | ANI–Gir |
| Animals — Gnu | | ANI–Gnu |
| Animals — Goat | | ANI–Goa |
| Animals — Guinea pig | | ANI–Gui |
| Animals — Habitations | | ANI–Hab |
| Animals — Hartebeest | | ANI–Har |
| Animals — Heads & horns | | ANI–Hea |
| Animals — Hippopotamus | | ANI–Hip |
| Animals — Humans, as | | ANI–Hum |
| Animals — Hyena | | ANI–Hye |
| Animals — Ibex | | ANI–Ibe |
| Animals — Illustrations | | ANI–Ill |
| Animals — Jaguar | | ANI–Jag |
| Animals — Kangaroo | | ANI–Kan |
| Animals — Koala | | ANI–Koa |
| Animals — Lemur | | ANI–Lem |
| Animals — Leopard | | ANI–Leo |
| Animals — Lion | | ANI–Lio |
| Animals — Llama | | ANI–Lla |
| Animals — Lynx | | ANI–Lyn |
| Animals — M–R | | ANI–(M–R) |
| Animals — Manatee | | ANI–Man |
| Animals — Marmot | | ANI–Mar |
| Animals — Marten | | ANI–Mar |
| Animals — Mink | | ANI–Min |
| Animals — Mole | | ANI–Mol |
| Animals — Mongoose | | ANI–Mon |
| Animals — Moose | | ANI–Moo |
| Animals — Mountain goat | | ANI–Mou–Goa |
| Animals — Mountain sheep | | ANI–Mou–She |
| Animals — Mouse | | ANI–Mou |
| Animals — Mule | | ANI–Mul |
| Animals — Musk ox | | ANI–Mus |
| Animals — Muskrat | | ANI–Musk |
| Animals — Narwha1 | | ANI–Nar |
| Animals — Ocelot | | ANI–Oce |
| Animals — Okapi | | ANI–Oka |
| Animals — Opossum | | ANI–Opo |
| Animals — Otter | | ANI–Ott |
| Animals — Ounce (Felis uncia, Leopardus uncia, Panthera uncia, Uncia uncia, The snow leopard) | | ANI–Oun |
| Animals — Paintings | | ANI–Pai |
| Animals — Panda | | ANI–Pan |
| Animals — Pangolin | | ANI–Pang |
| Animals — Peccary | | ANI–Pec |
| Animals — Phalanger | | ANI–Pha |
| Animals — Pig | | ANI–Pig |
| Animals — Platypus | | ANI–Pla |
| Animals — Porcupine | | ANI–Por |
| Animals — Pottery | | ANI–Pot |
| Animals — Prairie dog | | ANI–Pra |
| Animals — Prints | | ANI–Pri |
| Animals — Puma | | ANI–Pum |
| Animals — Rabbit | | ANI–Rab |
| Animals — Raccoon | | ANI–rac |
| Animals — Rat | | ANI–Rat |
| Animals — Reindeer | | ANI–Rei |
| Animals — Rhinoceros | | ANI–Rhi |
| Animals — S–Z | | ANI–(S–Z) |
| Animals — Sculpture | | ANI–Scu |
| Animals — Seal | | ANI–Sea |
| Animals — Serval | | ANI–Ser |
| Animals — Sheep | | ANI–She |
| Animals — Shrew | | ANI–Shr |
| Animals — Sick | | ANI–Sic |
| Animals — Skunk | | ANI–Sku |
| Animals — Sleep | | ANI–Sle |
| Animals — Sloth | | ANI–Slo |
| Animals — Squirrel | | ANI–Squ |
| Animals — Tapir | | ANI–Tap |
| Animals — Tiger | | ANI–Tig |
| Animals — Trained | | ANI–Tra |
| Animals — Transportation | | ANI–Tran |
| Animals — Walrus | | ANI–Wal |
| Animals — Wart hog | | ANI–Wart |
| Animals — Weasel | | ANI–Wea |
| Animals — Whale | | ANI–Wha |
| | Whaling | WHA |
| Animals — Wildcat | | ANI–Wil |
| Animals — Wolf | | ANI–Wol |
| Animals — Wolverine | | ANI–Wolv |
| Animals — Woodchuck | | ANI–Woo |
| Animals — Yak | | ANI–Yal |
| Animals — Zebra | | ANI–Zeb |
| Animals — Zebu | | ANI–Zebu |
| Animated cartooning | | ANIM–Car |
| Animated cartoons | | ANIM–Cart |
| Animated flora | | ANIM–Flo |
| Animated fruits & vegetables | | ANIM–Fru |
| Animated objects | | ANIM–Obj |
| Annapolis (The United States Naval Academy) | | ANN |
| | Maryland–Annapolis | MARY–Ann |
| Anniversaries | | ANNI |
| Antarctic expeditions | | ANTA |
| Antarctic expeditions — 1899 & earlier | | ANTA–18 |
| Antarctic expeditions — 1901s | | ANTA–190 |
| Antarctic expeditions — 1910s–1920s | | ANTA–191 |
| Antarctic expeditions — 1930s | | ANTA–193 |
| Antarctic expeditions — 1940s–1950s | | ANTA–194 |
| Antarctic expeditions — 1960s–1990s | | ANTA–196 |
| Antarctic expeditions — 2000s | | ANTA–200 |
| Antarctica | | ANTAR |
| Antarctica — Fauna & flora | | ANTAR–Fau |
| Antigua Island | | ANTI |
| Anti–war movements | | ANTIW |
| Apartment houses | | APAR |
| | New York City–Apartment houses | NEW YC–Apar |
| Apparitions | | APPA |
| Applique work | | APPL |
| April Fools' Day | | APRI |
| Aquariums | | AQUA |
| Aqueducts | | AQUE |
| Arabs | | ARAB |
| Arachnida | | ARAC |
| | Mites | MIT |
| | Scorpions | SCOR |
| | Spiders | SPID |
| Arbors | | ARBOR |
| Arcades (Architectural) | | ARCA |
| | For game arcades see Amusement parks | AMU |
| | Video | VID |
| Archaeology (Including marine and underwater archaeology) | | ARCH |
| Archaeology — A–L (Subdivided by country) | | ARCH–(A–L) |
| Archaeology — American Indian | | ARCH–Ame |
| Archaeology — Archaeologists | | ARCH–Arc |
| Archaeology — Egypt | | ARCH–Rgy |
| Archaeology — Greece | | ARCH–Gre |
| Archaeology — India | | ARCH–INd |
| Archaeology — Iran | | ARCH–Ira |
| Archaeology — Israel | | ARCH–Isr |
| Archaeology — M–Z (Subdivided by country) | | ARCH–(M–Z) |
| Archaeology — Mycenae | | ARCH–Myc |
| Archaeology — Syria | | ARCH–Syr |
| Archaeology — Turkey | | ARCH–Tur |
| Archery | | ARCHE |
| Arches | | ARCHES |
| Architecture | | ARCHI |
| Architecture — 1900s | | ARCHI–19 |
| Architecture — 2000s | | ARCHI–20 |
| Architecture — A–B (Subdivided by architect, country or style) | | ARCHI–(A–B) |
| Architecture — Adam | | ARCHI–Ada |
| Architecture — American | | ARCHI–Ame |
| Architecture — American–1799 & earlier | | ARCHI–Ame–17 |
| Architecture — American–1800s | | ARCHI–Ame–18 |
| Architecture — American–1900s | | ARCHI–Ame–19 |
| Architecture — American–2000s | | ARCHI–Ame–20 |
| Architecture — Ancient–A–Z (Subdivided by nation or culture) | | ARCHI–Anc–(A–Z) |
| Architecture — Ancient–Assyrian | | ARCHI–Anc–Ass |
| Architecture — Ancient–Egyptian | | ARCHI–Anc–Egy |
| Architecture — Ancient–Greek | | ARCHI–Anc–Gre |
| Architecture — Ancient–Roman | | ARCHI–Anc–Rom |
| Architecture — Architects | | ARCHI–Arc |
| Architecture — Art, in | | ARCHI–Art |
| Architecture — Austrian | | ARCHI–Aus |
| Architecture — Baroque | | ARCHI–Bar |
| Architecture — Byzantine | | ARCHI–Byz |
| Architecture — C–G (Subdivided by architect, country or style) | | ARCHI–(C–G) |
| Architecture — Chinese | | ARCHI–Chi |
| Architecture — Details | | ARCHI–Det |
| Architecture — Drawings | | ARCHI–Dra |
| Architecture — Dutch | | ARCHI–Dut |
| Architecture — English | | ARCHI–Eng |
| Architecture — English–1699 & earlier | | ARCHI–Eng–16 |
| Architecture — English–1700s–1800s | | ARCHI–Eng–17 |
| Architecture — English–1900s | | ARCHI–Eng–19 |
| Architecture — English–2000s | | ARCHI–Eng–20 |
| Architecture — Fantastic | | ARCHI–Fan |
| Architecture — Finnish | | ARCHI–Fin |
| Architecture — French | | ARCHI–Fre |
| Architecture — French–1699 & earlier | | ARCHI–Fre–16 |
| Architecture — French–1700s–1800s | | ARCHI–Fre–17 |
| Architecture — French–1900s | | ARCHI–Fre–19 |
| Architecture — French–2000s | | ARCHI–Fre–20 |
| Architecture — Gaudi | | ARCHI–Gau |
| Architecture — Gehry | | ARCHI–Geh |
| Architecture — German | | ARCHI–Ger |
| Architecture — German–1899 & earlier | | ARCHI–Ger–18 |
| Architecture — Gothic | | ARCHI–Got |
| Architecture — Gropius | | ARCHI–Gro |
| Architecture — H–L (Subdivided by architect, country or style) | | ARCHI–(H–L) |
| Architecture — Hungarian | | ARCHI–Hun |
| Architecture — India | | ARCHI–Ind |
| Architecture — Islamic | | ARCHI–Isl |
| | Mosques | MOSQ |
| Architecture — Italian | | ARCHI–Ita |
| Architecture — Japanese | | ARCHI–Jap |
| Architecture — Johnson | | ARCHI–Joh |
| Architecture — Le Corbusier | | ARCHI–Lec |
| Architecture — M–O (Subdivided by architect, country or style) | | ARCHI–(M–O) |
| Architecture — McKim, Mead & White | | ARCHI–Mck |
| Architecture — Mallet–Stevens | | ARCHI–Mal |
| Architecture — Mayan | | ARCHI–May |
| Architecture — Meier | | ARCHI–Mei |
| Architecture — Mendelsohn | | ARCHI–Men |
| Architecture — Mexican | | ARCHI–Mex |
| Architecture — Mies van der Rohe | | ARCHI–Mie |
| Architecture — Models | | ARCHI–Mod |
| Architecture — Mohammedan | | ARCHI–Moh |
| | Architecture–Islamic | ARCHI–Isl |
| Architecture — Moorish | | ARCHI–Moo |
| Architecture — Nervi | | ARCHI–Ner |
| Architecture — Niemayer | | ARCHI–Nie |
| Architecture — Norman | | ARCHI–Nor |
| Architecture — P–Z (Subdivided by architect, country or style) | | ARCHI–(P–Z) |
| Architecture — Palladio | | ARCHI–Pal |
| Architecture — Pei | | ARCHI–Pei |
| Architecture — Remodeling | | ARCHI–Rem |
| Architecture — Renaissance | | ARCHI–ren |
| Architecture — Rococo | | ARCHI–Roc |
| Architecture — Romanesque | | ARCHI–Rom |
| Architecture — Russian | | ARCHI–Rus |
| Architecture — Saarinen | | ARCHI–Saa |
| Architecture — Spanish | | ARCHI–Spa |
| Architecture — Stone | | ARCHI–Sto |
| Architecture — Sullivan | | ARCHI–Sul |
| Architecture — Tange | | ARCHI–Tan |
| Architecture — Wren | | ARCHI–Wre |
| Architecture — Wright | | ARCHI–Wri |
| | New York City–Museums–Guggenheim Museum | NEW YC–Mus–Gu |
| Arctic | | ARCT |
| Arctic — Fauna & flora | | ARCT–fau |
| Arctic expeditions | | ARCTI |
| Arctic expeditions — 1899 & earlier | | ARCTI–18 |
| Argentina | | ARG |
| Argentina — 1899 & earlier | | ARG–18 |
| Argentina — A–Z | | ARG–(A–Z) |
| Argentina — Buenos Aires | | ARG–Bue |
| Argentina — Fauna & flora | | ARG–Fau |
| Argentina — History | | ARG–His |
| Argentina — Industries | | ARG–Ind |
| | Gauchos | GAUC |
| Argentina — Lakes | | ARG–Lak |
| Argentina — Life | | ARG–Lif |
| Argentina — Mountains | | ARG–Mou |
| Argentina — Rivers | | ARG–Riv |
| Argentina — Santa Cruz Territory | | ARG–San |
| Arizona | | ARI |
| Arizona — 1899 & earlier | | ARI–18 |
| Arizona — A–Z | | ARI–(A–Z) |
| Arizona — Canyon de Chelly | | ARI–Can |
| Arizona — Desert | | ARI–Des |
| Arizona — Flora | | ARI–Flo |
| Arizona — Grand Canyon | | ARI–Gra |
| Arizona — Industries | | ARI–Ind |
| Arizona — Life | | ARI–Lif |
| Arizona — Monument Valley | | ARI–Mon |
| Arizona — Mountains | | ARI–Mou |
| Arizona — Phoenix | | ARI–Pho |
| Arizona — Rivers | | ARI–Riv |
| Arkansas | | ARK |
| Arkansas — 1899 & earlier | | ARK–18 |
| Arkansas — A–Z | | ARK–(A–Z) |
| Arkansas — Life | | ARK–Lif |
| Armistice Day | | ARM |
| Armor | | ARMO |
| Armor — 1399 & earlier | | ARMO–13 |
| Armor — 1400s | | ARMO–14 |
| Armor — 1500s | | ARMO–15 |
| Armor — 1600s | | ARMO–16 |
| Armor — A–Z (Subdivided by country) | | ARMO–(A–Z) |
| Armor — Ancient | | ARMO–Anc |
| Armor — Animals, for | | ARMO–Ani |
| Armor — Details | | ARMO–Det |
| Armor — Japanese | | ARMO–Jap |
| Armor — Manufacture | | ARMO–Man |
| Armor — Shield | | ARMO–Shi |
| Armories | | ARMOR |
| Army | | ARMY |
| Army — A–L (Subdivided by country) | | ARMY–(A–L) |
| Army — Ancient | | ARMY–Anc |
| Army — Ancient–Greece | | ARMY–Anc–Gre |
| Army — Ancient–Rome | | ARMY–Anc–Rom |
| Army — Australia | | ARMY–Aus |
| Army — Austria | | ARMY–Aust |
| Army — Austria–1899 & earlier | | ARMY–Aust–18 |
| Army — Canada | | ARMY–Can |
| Army — China–1899 & earlier | | ARMY–Chi–18 |
| Army — China–1901s–1930s | | ARMY–Chi–190 |
| Army — China–1940s | | ARMY–Chi–194 |
| Army — China–1950s–1990s | | ARMY–Chi–195 |
| Army — China–2001s | | ARMY–Chi–200 |
| Army — Confederate States of America | | ARMY–Con |
| Army — Ethiopia | | ARMY–Eth |
| Army — France–1799 & earlier | | ARMY–Fra–17 |
| Army — France–1800s | | ARMY–Fra–18 |
| Army — France–1901s–1920s | | ARMY–Fra–190 |
| Army — France–1930s–1950s | | ARMY–Fra–193 |
| Army — France–1960s–1990s | | ARMY–Fra–196 |
| Army — France–2001s | | ARMY–Fra–200 |
| Army — France–Colonial | | ARMY–Fra–Col |
| Army — France–Foreign Legion | | ARMY–Fra–For |
| Army — Germany–1799 & earlier | | ARMY–Ger–17 |
| Army — Germany–1800s | | ARMY–Ger–18 |
| Army — Germany–1901s | | ARMY–Ger–190 |
| Army — Germany–1920s | | ARMY–Ger–192 |
| Army — Germany–1930s | | ARMY–Ger–190 |
| Army — Germany–1940s | | ARMY–Ger–194 |
| Army — Germany–1950s–1990s | | ARMY–Ger–195 |
| Army — Germany–2001s | | ARMY–Ger–200 |
| Army — Great Britain–1799 & earlier | | ARMY–Gre–17 |
| Army — Great Britain–1800s | | ARMY–Gre–18 |
| Army — Great Britain–1901s | | ARMY–Gre–190 |
| Army — Great Britain–1910s | | ARMY–Gre–191 |
| Army — Great Britain–1920s | | ARMY–Gre–192 |
| Army — Great Britain–1930s | | ARMY–Gre–193 |
| Army — Great Britain–1940s | | ARMY–Gre–194 |
| Army — Great Britain–1950s | | ARMY–Gre–195 |
| Army — Great Britain–1960s | | ARMY–Gre–196 |
| Army — Great Britain–1970s | | ARMY–Gre–197 |
| Army — Great Britain–1980s | | ARMY–Gre–198 |
| Army — Great Britain–1990s | | ARMY–Gre–199 |
| Army — Great Britain–2001s | | ARMY–Gre–200 |
| Army — Great Britain–Cavalry | | ARMY–Gre–Cav |
| Army — Great Britain–Colonial | | ARMY–Gre–Col |
| Army — Great Britain–India | | ARMY–Gre–Ind |
| Army — Great Britain–Reviews | | ARMY–Gre–Rev |
| Army — Great Britain–Scotland | | ARMY–Gre–Sco |
| Army — Greece | | ARMY–Gree |
| Army — Italy–1899 & earlier | | ARMY–Ita–18 |
| Army — Italy–1900s | | ARMY–Ita–19 |
| Army — Italy–2000s | | ARMY–Ita–20 |
| Army — Japan–1899 & earlier | | ARMY–Jap–18 |
| Army — Japan–1900s | | ARMY–Jap–19 |
| Army — Japan–2000s | | ARMY–Jap–20 |
| Army — M–Z (Subdivided by country) | | ARMY–(M–Z) |
| Army — Mexico | | ARMY–Mex |
| Army — Mexico — 1899 & earlier | | ARMY–Mex–18 |
| Army — Russia –1899 & earlier | | ARMY–Rus–18 |
| Army — Russia –1901s–1920s | | ARMY–Rus–190 |
| Army — Russia –1930s–1950s | | ARMY–Rus–193 |
| Army — Russia –1960s–1990s | | ARMY–Rus–196 |
| Army — Russia –2001s | | ARMY–Rus–200 |
| Army — Russia –Cossacks (Czarist) | | ARMY–Rus–Cos |
| Army — Spain | | ARMY–Spa |
| Army — Spain — 1899 & earlier | | ARMY–Spa–18 |
| Army — Switzerland | | ARMY–Swi |
| Army — Turkey | | ARMY–Tur |
| Army — United States–1700s | | ARMY–US–17 |
| Army — United States–1801s–1840s | | ARMY–US–180 |
| Army — United States–1850s | | ARMY–US–185 |
| Army — United States–1860s | | ARMY–US–186 |
| Army — United States–1870s | | ARMY–US–187 |
| Army — United States–1880s | | ARMY–US–188 |
| Army — United States–1890s | | ARMY–US–189 |
| Army — United States–1901s | | ARMY–US–190 |
| Army — United States–1910s | | ARMY–US–191 |
| Army — United States–1920s | | ARMY–US–192 |
| Army — United States–1930s | | ARMY–US–193 |
| Army — United States–1940s | | ARMY–US–194 |
| Army — United States–1950s | | ARMY–US–195 |
| Army — United States–1960s | | ARMY–US–196 |
| Army — United States–1970s | | ARMY–US–197 |
| Army — United States–1980s | | ARMY–US–198 |
| Army — United States–1990s | | ARMY–US–199 |
| Army — United States–2001s | | ARMY–US–200 |
| Army — United States–Blacks | | ARMY–US–Bla |
| Army — United States–Camps | | ARMY–US–Cam |
| Army — United States–Food | | ARMY–US–Foo |
| Army — United States–National Guard | | ARMY–US–Nat |
| Army — United States–Women | | ARMY–US–Wom |
| Arrests | | ARR |
| Arrivals & departures | | ARRI |
| | Airports | AIRPO |
| Arsenals | | ARS |
| Art–Cartoons | | ART–Car |
| Art–Multimedia | | ART–Mul |
| Art galleries | | ARTG |
| | London–Art galleries & shows | LON–Art |
| | –United States | ARTG–US |
| | New York City–Art galleries & shows | NEW YC–Art |
| Artificial flowers | | ARTI |
| Artificial limbs | | ARTIF |
| Artillery | | ARTIL |
| | Ammunition | AMM |
| Artillery — 1799 & earlier | | ARTIL–17 |
| Artillery — 1800s | | ARTIL–18 |
| Artillery — Aircraft | | ARTIL–Air |
| Artillery — Anti–aircraft | | ARTIL–Ant |
| Artillery — Anti–tank | | ARTIL–anti |
| Artillery — Coastal | | ARTIL–Coa |
| Artillery — Field & mountain | | ARTIL–Fie |
| Artillery — Howitzer | | ARTIL–How |
| Artillery — Mortar | | ARTIL–Mor |
| Artillery — Naval | | ARTIL–Nav |
| Artists | | ARTIS |
| Artists — Cartoons | | ARTIS–Car |
| Artists — Materials | | ARTIS–Mat |
| | Drafting equipment | DRA |
| Asbestos | | ASB |
| | Air raids–Precautions | AIR–Rai–Pr |
| | Fire fighting | FIR–Figh |
| | Pollution | POLLU |
| Asphalt | | ASP |
| Assassinations | | ASS |
| Assaults, Criminal | | ASSA |
| Assyria | | ASSY |
| Astrology | | AST |
| Astronomy | | ASTR |
| Astronomy — Astronomers | | ASTR–Ast |
| Astronomy — Comets | | ASTR–Com |
| Astronomy — Constellations | | ASTR–Con |
| Astronomy — Earth | | ASTR–Ear |
| Astronomy — Eclipses | | ASTR–Ecl |
| Astronomy — Galaxies | | ASTR–Gal |
| Astronomy — Instruments | | ASTR–Ins |
| Astronomy — Mars | | ASTR–Mar |
| Astronomy — Meteors | | ASTR–Met |
| Astronomy — Moon | | ASTR–Moo |
| Astronomy — Nebulae | | ASTR–Neb |
| Astronomy — Planets | | ASTR–Pla |
| Astronomy — Solar system | | ASTR–Sol |
| Astronomy — Stars | | ASTR–Sta |
| Astronomy — Sun | | ASTR–Sun |
| Astronomy — Zodiacal light | | ASTR–Zod |
| Asylums | | ASY |
| Atomics — see | | |
| | Nuclear explosions | NUC–Exp |
| | Nuclear power | NUC–Pow |
| | Nuclear research | NUC–Res |
| Atomic research | | ATOM–Res |
| Atomic structure | | ATOM– Str |
| Atrocities | | ATR |
| Attics | | ATT |
| Auctions | | AUC |
| | Horses–Buying & selling | HORSE–Buy |
| Audiences — 1899 & earlier | | AUD–l8 |
| Audiences — 1900s | | AUD–19 |
| Audiences — 2001s | | AUD–20 |
| Audiences — Cartoons | | AUD–Car |
| Auditoriums | | AUDI |
| Auroras | | AUR |
| Australia | | AUS |
| Australia — A–Z | | AUS–(A–Z) |
| Australia — Canberra | | AUS–Can |
| Australia — Fauna | | AUS–Fau |
| Australia — Flora | | AUS–Flo |
| Australia — History | | AUS–His |
| Australia — Industries | | AUS–Ind |
| Australia — Life | | AUS–Lif |
| Australia — Melbourne | | AUS–Mel |
| Australia — New South Wales | | AUS–New |
| Australia — Queens land | | AUS–Que |
| Australia — Rivers | | AUS–Riv |
| Australia — Sydney | | AUS–Syd |
| Australia — Sydney — 1899 & earlier | | AUS–Syd–18 |
| Australia — Tasmania | | AUS–Tas |
| Austria | | AUST |
| Austria — 1899 & earlier | | AUST–18 |
| Austria — A–Z | | AUST–(A–Z) |
| Austria — History | | AUST–His |
| Austria — Industries | | AUST–Ind |
| Austria — Innsbruck | | AUST–Inn |
| Austria — Life | | AUST–Lif |
| Austria — Mountains | | AUST–Mou |
| Austria — Rivers | | AUST–Riv |
| Austria — Salzburg | | AUST–Sal |
| Austria — Tyrol | | AUST–Tyr |
| Austria — Vienna | | AUST–Vie |
| Austria — Vienna–1899 & earlier | | AUST–Vie–18 |
| Authors | | AUT |
| Authors — Cartoons | | AUT–Car |
| Autographs | | AUTOG |
| Automata | | AUTOM |
| Automation | | AUTOMA |
| Automobiles | | AUTOMO |
| | Jeeps | JEE |
| | Taxicabs | TAXI |
| | Trucks | TRUC |
| | Vans | VANS |
| Automobiles — 1899 & earlier | | AUTOMO–18 |
| Automobiles — 1901s | | AUTOMO–190 |
| Automobiles — 1910s | | AUTOMO–191 |
| Automobiles — 1920s | | AUTOMO–192 |
| Automobiles — 1930s | | AUTOMO–193 |
| Automobiles — 1940s | | AUTOMO–194 |
| Automobiles — 1950s | | AUTOMO–195 |
| Automobiles — 1960s | | AUTOMO–196 |
| Automobiles — 1970s | | AUTOMO–197 |
| Automobiles — 1980s | | AUTOMO–198 |
| Automobiles — 1990s | | AUTOMO–199 |
| Automobiles — 2001s | | AUTOMO–200 |
| Automobiles — Accessories & parts | | AUTOMO–Acc |
| | Cradles & cribs (Including car seats for children) | CRAD |
| Automobiles — Armored | | AUTOMO–Arm |
| Automobiles — Cartoons | | AUTOMO–Car |
| Automobiles — Chassis | | AUTOMO–Cha |
| Automobiles — Driving | | AUTOMO–Dri |
| | Chauffeurs | CHAU |
| Automobiles — Electric | | AUTOMO–Ele |
| Automobiles — Future | | AUTOMO–Fut |
| Automobiles — Industry | | AUTOMO–Ind |
| | Automobiles–Transportation | AUTOMO–Tra |
| | Machine shops | MACH |
| | Meters | METER |
| | Safety devices | SAFET–Dev |
| | Salvage | SALV |
| Automobiles — Interiors | | AUTOMO–Int |
| Automobiles — Limousine | | AUTOMO–Lim |
| | Chauffeurs | CHAU |
| Automobiles — Maintenance & repair | | AUTOMO–Mai |
| | Automobiles–Service stations | AUTOMO–Ser |
| Automobiles — Off–road (Cars especially designed to operate away from public roads) | | AUTOMO–Off |
| | Jeeps | JEE |
| Automobiles — Parking | | AUTOMO–Par |
| Automobiles — Racing | | AUTOMO–Rac |
| Automobiles — Rolls–Royce | | AUTOMO–Rol |
| Automobiles — Service stations | | AUTOMO–Ser |
| | Advertising–Gas & oils | ADV–Gas |
| | Automobiles–Maintenance & repair | AUTOMO–Mai |
| Automobiles — Shows & showrooms | | AUTOMO–Sho |
| Automobiles — Sports car | | AUTOMO–Spo |
| Automobiles — Station wagon | | AUTOMO–Sta |
| Automobiles — Transportation | | AUTOMO–Tra |
| Automobiles — Wrecks | | AUTOMO–Wre |
| Autopsy | | AUTOP |
| Autumn | | AUTU |
| Awnings & canopies | | AWN |
| Azores | | AZO |
| Aztecs | | AZT |