The Central Libraries > Mid-Manhattan Library > Picture Collection > Picture Collection Subject Headings

O

Picture FileRelated FileCode
Oases OAS
Oaths OAT
Obelisks OBEL
Obesity OBES
Observatories OBS
Occult, The  OCC
 AlchemyALC
 Alphabets–HebrewALPH–(A–L)
Occupational therapy OCCU
Oceania OCE
Oceania — Life OCE–Lif
Oceanography OCEA
Octopuses OCT
 CuttlefishCUTT
 SquidsSQUI
Office buildings OFF–Bui
Office buildings — Interiors OFF–Bui–Int
Office equipment OFF–Equ
Office furniture OFF–Fur
Office workers OFF–Wor
Offices — 1899 & earlier OFFI–18
Offices — 1901s –1920s OFFI–190
Offices — 1930s OFFI–193
Offices — 1940s –1950s OFFI–194
Offices — 1960s OFFI–196
Offices — 1970s OFFI–197
Offices — 1980s OFFI–198
Offices — 1990s OFFI–199
Offices — 2001s OFFI–200
Ohio OHI
Ohio — 1899 & earlier OHI–18
Ohio — A–Z  OHI–(A–Z)
Ohio — Cincinnati OHI–Cin
Ohio — Cincinnati–1899 & earlierOHI–Cin–18
Ohio — Cleveland OHI–Cle
Ohio — Life OHI–Lif
Oils & fats OIL
 Olive oilOLI
Oklahoma OKL
Oklahoma — 1899 & earlier OKL–18
Oklahoma — A–Z OKL–(A–Z)
Oklahoma — Industries OKL–Ind
Oklahoma — Life OKL–Lif
Olive oil  OLI
Olympic games OLY
Olympic games — 1901s–1920s OLY–190
Olympic games — 1930s OLY–193
Olympic games — 1940s OLY–194
Olympic games — 1950s OLY–195
Olympic games — 1960s OLY–196
Olympic games — 1970s OLY–197
Olympic games — 1980s OLY–198
Olympic games — 1990s OLY–199
Olympic games — 2001s OLY–200
Olympic games — Ancient OLY–Anc
Oman  OMA
Opening ceremonies OPEN
Opera houses — A–L (Subdivided by country)  OPER–(A–L)
Opera houses — England OPER–Eng
 London–Covent GardenLON–Cov
Opera houses — France OPER–Fra
 Paris–Opera housePARI–Ope
Opera houses — M–Z (Subdivided by country) OPER–(M–Z)
Opera houses — United States OPER–US
 New York City–Lincoln CenterNEW YC–Lin
 New York City–Opera housesNEW YC–Ope
Operas (Subdivided by composer) — A–B OPERA–(A–B)
Operas — C–D OPERA–(C–D)
Operas — Cartoons OPERA–Car
Operas — E–G  OPERA–(E–G)
Operas — H OPERA–(H)
Operas — I–K OPERA–(I–K)
Operas — L OPERA–(L)
Operas — M OPERA–(M)
Operas — Mozart OPERA–Moz
Operas — N–O OPERA–(N–O)
Operas — P–Q OPERA–(P–Q)
Operas — R OPERA–(R)
Operas — S OPERA–(S)_
Operas — Sullivan OPERA–Sul
Operas — T–V OPERA–(T–V)
Operas — Verdi OPERA–Ver
Operas — W–Z OPERA–(W–Z)
Operas — Wagner OPERA–wag
Opium OPI
Optical illusions  OPTI
Optometry OPTO
Oracles ORA 
Orders ORD
Orders — British ORD–Bri
Orders — Ceremonies ORD–Cer
Orders — Russian  ORD–Rus
Oregon ORE 
Oregon — 1899 & earlier ORE–18
Oregon — A–Z  ORE–(A–Z)
Oregon — Coast ORE–Coa
Oregon — Industries ORE–Ind
Oregon — Lakes ORE–Lak
Oregon — Life ORE–Lif
Oregon — Mountains ORE–Mou
Oregon — Rivers ORE–Riv
Organized Crime ORG
Orgies ORGI
Orphans ORP
 Child welfareCHIL–wel
 Homes  (Institutional)HOME
Outriggers  OUT
Oxygen OXY
Oysters OYS
 Pearl fishing & industryPEAR
 Shells  (Mollusk)SHE