| Picture File | Related File | Code |
|---|
| United States | | UNITED |
| United States — 1899 & earlier | | UNITED–18 |
| United States — Delaware Water Gap | UNITED–Del |
| United States — Desert | | UNITED–Des |
| United States — Ethnic types | | UNITED–eth |
| United States — Fauna & flora | | UNITED–Fau |
| United States — Industries | | UNITED–Ind |
| United States — Industries–1899 & earlier | UNITED–Ind–18 |
| United States — Lakes | | UNITED–Lak |
| United States — Lakes–1899 & earlier | UNITED–Lak–18 |
| United States — Life | | UNITED–Lif |
| United States — 1799 & earlier | | UNITED–Lif–17 |
| United States — 1800s | | UNITED–Lif–18 |
| United States — 1901s | | UNITED–Lif–190 |
| United States — 1910s | | UNITED–Lif–191 |
| United States — 1920s | | UNITED–Lif–192 |
| United States — 1930s | | UNITED–Lif–193 |
| United States — 1940s | | UNITED–Lif–194 |
| United States — 1950s | | UNITED–Lif–195 |
| United States — 1960s | | UNITED–Lif–196 |
| United States — 1970s | | UNITED–Lif–197 |
| United States — 1980s | | UNITED–Lif–198 |
| United States — 1990s | | UNITED–Lif–199 |
| United States — 2001s | | UNITED–Lif–200 |
| United States — Mississippi River | UNITED–Mis |
| United States — Mississippi River–1899 & earlier | UNITED–Mis–18 |
| United States — Mountains | | UNITED–Mou |
| United States — Mountains–1899 & earlier | UNITED–Mou–18 |
| United States — National Parks | | UNITED–Nat |
| United States — New England | | UNITED–New |
| United States — Ohio River | | UNITED–Ohi |
| United States — Palisades | | UNITED–Pal |
| United States — Rivers | | UNITED–Riv |
| United States — Rivers–1899 & earlier | UNITED–Riv–18 |
| United States — Towns & villages | UNITED–Tow |
| United States — Yellowstone | | UNITED–Yel |
