- black-and-white negatives26,264
- black-and-white photographs23,410
- theses9,414
- photographic prints9,162
- dissertations9,080
- photographs7,515
- newspapers6,599
- color photographs6,403
- files (document groupings)4,025
- born digital2,740
- newsletters2,235
- maps (documents)2,041
- periodicals1,870
- color negatives1,522
- color transparencies1,340
- audiotapes1,302
- black-and-white prints (photographs)1,184
- color slides1,034
- correspondence960
- publications (documents)916
