Genre
- postcards76
- black-and-white films (visual works)69
- typescripts65
- printed ephemera64
- field notes60
- botanical illustrations59
- handwriting59
- color films (visual works)58
- scientific illustrations (images)58
- portraits57
- black-and-white negatives56
- watercolors (paintings)56
- negatives (photographs)55
- booklets54
- school records54
- certificates53
- annuals (publications)51
- reports46
- scrapbooks46
- transcripts45