Genre
Congresses
2,118
Conference papers and proceedings
1,706
History
1,116
Electronic books
1,013
Periodicals
909
Technical reports
305
Handbooks, manuals, etc
179
Early works to 1800
167
Biography
166
Pictorial works
154
Handbooks and manuals
126
Case studies
118
Legislative hearings
114
Dictionaries
113
Printed ephemera
112
Early works
105
Biographies
95
Tables
95
Bibliography
94
Interviews
86
Congrès
83
Maps
80
Sources
78
Statistics
67
Academic theses
64
Surveys
60
Exhibitions
57
Congrès
52
Exhibition catalogs
47
Bibliographies
45
Tables (Data)
45
Government publications
43
Illustrated works
39
Electronic journals
33
World's fairs
31
Electronic book
29
Video recordings
29
Directories
28
Juvenile literature
27
Abstracts
26
Catalogs
26
Thèses et écrits académiques
26
Internet resource
25
Personal narratives
25
Documentary films
24
Broadsides
23
Festschriften
23
Congress
21
Guidebooks
20
Audiences législatives
19
more ...