Genre
- Monographs39
- Proceedings35
- Transcripts35
- Portraits33
- Slides (photographs)31
- Cartographic materials30
- Lecture notes30
- Histories (literature genre)29
- Proposals29
- Grant proposals28
- Technical reports25
- Programs (documents)23
- Postcards19
- Lectures18
- Telegrams16
- Guidelines15
- Financial records14
- Petitions14
- Laboratory notebooks13
- Conferences12