Format
- Black-and-white photographs (2259)
- Reports (1438)
- Lantern slides (522)
- Pamphlets (291)
- Annual reports (177)
- Newspapers (164)
- Yearbooks (131)
- Letters (correspondence) (98)
- Magazines (periodicals) (91)
- Color photographs (74)
- Drawings (visual works) (58)
- Documentary films (54)
- Brochures (49)
- Directories (40)
- Posters (25)
- Journals (accounts) (21)
- Maps (21)
- Postcards (16)
- Scrapbooks (13)
- Memorandums (12)
