Genre
- personal correspondence262
- novels257
- manuscripts (documents)241
- journals (accounts)217
- color photographs209
- video recordings (physical artifacts)189
- news photographs186
- sketches186
- envelopes174
- captions156
- slides (photographs)146
- color slides140
- pamphlets136
- magazines (periodicals)116
- pencil drawings110
- color transparencies100
- photographic transparencies100
- silent films84
- posters78
- newspaper clippings75