Genre
Periodicals
3,381
Pictorial works
2,027
Classification
1,932
Pre-Linnean works
1,901
Early works to 1800
1,779
Electronic books
1,562
Early works
1,539
Dictionaries
1,420
History
1,399
Bibliography
1,245
Identification
1,134
Terminology
781
Guidebooks
748
Nomenclature
701
Field guides
699
Biography
664
Congresses
639
Conference papers and proceedings
595
Catalogs
590
Bibliographies
559
Biographies
449
Juvenile literature
369
Maps
353
Periodical
336
Textbooks
326
Catalogs and collections
310
Laboratory manuals
308
Illustrated works
301
Academic theses
257
Electronic journals
243
Thèses et écrits académiques
208
Juvenile works
203
Handbooks, manuals, etc
194
Indexes
192
Folklore
159
Exhibitions
146
Périodiques
142
Poetry
139
Handbooks and manuals
135
Academic Dissertation
126
Internet videos
125
Popular works
119
Correspondence
111
Exhibition catalogs
104
Périodiques
97
Dictionary
95
Engravings
90
dissertations
87
Glossaries, vocabularies, etc
85
Criticism, interpretation, etc
84
more ...