- Card photographs585
- Cartes-de-visite198
- Cartes-de-visite (card photographs)2
- Cartoons (Humorous images)2
- Cased photographs1
- Christmas cards1
- Cityscapes (Representations)5
- Clippings12
- Color lithographs1
- Contact prints.--aat17
- Contact sheets16
- Copy prints82
- Correspondence15
- Counterculture1
- Covers (Illustrations)2
- Cyanotypes2
- Daguerreotypes1
- Daguerreotypes (photographs)1
- Diaries2
- Diaries Oklahoma 19th century1