- Christmas--United States.1
- Christmas.7
- Clemenceau, Georges, 1841-1929.1
- Clog dancing.1
- Clogs.1
- Clothing and dress--United States--History.1
- Coal mines and mining.1
- Cohan, George M. (George Michael), 1878-1942.1
- Cohen, Sammy.1
- College students.1
- Colosseum (Rome, Italy)1
- Confederate States of America. Army.1
- Congresses and conventions.1
- Connor, William D. (William Durward), 1874-1960.1
- Construction workers.1
- Coolidge, Calvin, 1872-1933.3
- Coolidge, Grace Goodhue, 1879-1957.1
- Costume design.1
- Costume--Egypt.1
- Costume.11