Genre
Congresses
7,372
Electronic books
6,278
Conference papers and proceedings
5,016
Periodicals
3,621
History
2,999
Dictionaries
1,523
Exhibitions
1,111
Handbooks, manuals, etc
1,072
Directories
951
Exhibition catalogs
797
Handbooks and manuals
707
Biography
656
Pictorial works
574
Electronic journals
511
Catalogs
449
Biographies
441
Congrès
362
Case studies
309
Guidebooks
290
Bibliography
261
Statistics
256
Technical reports
239
Sources
226
Juvenile literature
224
World's fairs
176
Early works to 1800
170
Périodiques
138
Bibliographies
135
Indexes
135
Academic theses
133
Terminology
128
Illustrated works
127
Textbooks
123
Periodical
117
Printed ephemera
117
Encyclopedias
111
Early works
109
Congrès
104
Electronic book
103
Congress
101
Classification
99
Popular works
98
Thèses et écrits académiques
98
DVD-Video discs
97
Patents
96
Guides, manuels, etc
91
Juvenile works
88
Aufsatzsammlung
86
Kongress
83
Périodiques
83
more ...