- 2 Card catalogs
- 1 Card games (game sets)
- 1 Cardale, John Bate, 1802 - 1877
- 2 Cardenas, Mexico
- 5 Cardinals
- 3 Cardinals (bird)
- 2 Carding
- 1 Cardington Mill
- 4 Cards
- 48 cargo containers
- 53 Cargo ships
- 22 Caricatures
- 1 Carl Franke (Firm)
- 5 Carlisle Street
- 1 Carlisle, George William Frederick Howard, 7th Earl of, 1802-1864
- 1 Carlisle, Pennsylvania
- 1 Carlsbad, California
- 1 Carlstadt, New Jersey
- 4 Carlton House (New York, N.Y.)
- 2 Carlyle, Thomas, 1795-1881
- 1 Carmagnole
- 198 Carnegie libraries (institutions)
- 200 Carnegie, Andrew
- 1 Carnell's Machine Shop
- 1 Carnell's Philadelphia Brick Works
- 8 Carnival (Sculpture)
- 1 Carnivals (entertainment events)
- 32 Caroni, Emanuele
- 1 Carousels
- 3 Carpenter & Raymond
- 4 Carpenter shops
- 1 Carpenter Street
- 19 Carpenter Street
- 1 Carpenter Street
- 1 Carpenters
- 16 Carpenters' Hall
- 2 Carpenters' squares
- 1 Carpenters' Union
- 2 Carpenters unions
- 1 Carpentier, Georges, 1894-1975
