- black-and-white negatives26,641
- black-and-white photographs20,657
- photographs18,760
- publications (documents)9,173
- photographic prints9,162
- theses9,015
- dissertations8,820
- newspapers6,066
- color photographs5,186
- files (document groupings)4,025
- born digital2,622
- newsletters2,575
- maps (documents)2,036
- periodicals1,870
- color negatives1,448
- color transparencies1,376
- black-and-white prints (photographs)1,187
- articles1,184
- correspondence1,159
- slides (photographs)925
