- 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
- 3 Carpentry
- 1 Carpentry work
- 23 Carpets
- 1 Carr, Crawley & Devlin
- 1 Carriage cradles
- 2 Carriage houses
- 193 Carriages
- 495 Carriages & coaches
- 3 Carroll County, Maryland
- 1 Carroll, Charles 1737-1832
- 1 Carroll, John 1735-1815
- 1 Carrolton Hotel
- 3 Carrots
- 4 Carr's Cotton Factory
- 1 Carruth, John G.
- 1 Carsen's Fire Works (Firm)
- 1 Carson, James W. & Culin, Robert S. Victoria Oil Works
- 1 Carter & Scattergood Chemical Works
- 1 Carter, Dinsmore & Co.
- 1 Carter's Factory
- 13 Cartes de visite
- 35 Cartes-de-visite (card photographs)
- 2 Carthusian
