Genre
Congresses
3,904
Periodicals
2,927
Conference papers and proceedings
2,833
History
2,039
Electronic books
1,555
Statistics
684
Dictionaries
490
Handbooks, manuals, etc
439
Biography
401
Bibliography
362
Early works to 1800
350
Handbooks and manuals
311
Directories
264
Biographies
240
Maps
206
Academic theses
195
Early works
190
Pictorial works
183
Guidebooks
167
Bibliographies
149
Technical reports
138
Printed ephemera
134
Electronic journals
122
Thèses et écrits académiques
118
Périodiques
99
Catalogs
96
Tables
95
Congrès
92
Government publications
90
Périodiques
85
CD-ROMs
80
Databases
75
Exhibitions
73
Congrès
70
Case studies
69
dissertations
69
Sources
64
doctoral dissertations
61
masters theses
61
theses
61
Documentary films
59
Congress
58
Abstracts
53
Actes de congrès
52
Indexes
52
Exhibition catalogs
51
Academic Dissertation
47
Guides et manuels
46
Festschriften
45
Electronic book
44
more ...