Genre
Congresses
403
Electronic books
279
Conference papers and proceedings
266
Periodicals
180
Congress
166
Early works to 1800
155
Catalogs
133
Congrès
115
Juvenile literature
106
Academic theses
105
Actes de congrès
99
Thèses et écrits académiques
97
Exhibitions
93
History
76
Academic Dissertation
55
Electronic journals
51
Periodical
51
Exhibition catalogs
48
Juvenile works
47
Pre-Linnean works
38
Périodiques
37
Documentary films
31
Handbooks, manuals, etc
31
Aufsatzsammlung
30
Specimens
28
Ouvrages pour la jeunesse
27
Bibliography
25
Internet Resources
24
Popular Work
24
Fulltext
23
Handbooks and manuals
23
Documentaires
21
Educational films
21
Video recordings for the hearing impaired
21
Illustrations
19
Documentary television programs
18
Films éducatifs
18
Documentaries and Factual Films
17
Early works
17
Biography
16
Classification
16
Literature
16
Atlases
15
Biographies
14
Illustrated works
14
Legislation
14
Criticism, interpretation, etc
13
Documentaires télévisés
13
Facsimiles
13
Government publications
13
more ...