Genre
- Legislative records39
- Congress38
- Collected Work36
- Diaries35
- Letter35
- Proposals35
- Atlases34
- Charts (graphic documents)32
- Poetry31
- Histories (literature genre)30
- Conferences29
- Legal Case29
- Notes29
- Oral histories (document genres)29
- Encyclopedia28
- Pharmacopoeias27
- Laboratory Manual26
- Books25
- Laboratory Manuals25
- Laboratory notebooks24