Genre
Dictionaries
90
Encyclopedias
51
Biographies
15
Handbooks and manuals
15
Atlases
12
Tables (Data)
10
Reference works
7
Illustrated works
6
Classification
4
Directories
4
Bibliographies
3
Identification
3
Periodicals
3
Abstracts
2
Anatomical atlases
2
CMU author
2
Graphs
2
Laboratory manuals
2
Nomenclature
2
Chronologies
1
Conversion tables
1
Early works to 1800
1
Encyclopedia
1
Indexes
1
Maps
1
Observers' manuals
1
Pre-Linnean works
1
Sound recordings
1
Style manuals
1