Genre
Periodicals
11,854
History
6,123
Congresses
5,909
Conference papers and proceedings
4,438
Electronic books
3,657
Bibliography
2,623
Directories
2,233
Biography
1,544
Statistics
1,321
Case studies
1,232
Biographies
1,078
Bibliographies
987
Legislative hearings
808
Abstracts
711
Periodical
641
Handbooks, manuals, etc
640
Government publications
579
Congress
560
Electronic journals
467
Sources
461
Directory
455
Handbooks and manuals
390
Legislative materials
376
Catalogs
361
Criticism, interpretation, etc
350
Interviews
315
Treaties
314
Internet videos
261
Dictionaries
241
Documentary films
237
Technical reports
220
Observations
217
Radio news programs
215
Video recordings
212
Indexes
205
Périodiques
202
Maps
187
Academic theses
185
Festschriften
185
Databases
183
Congrès
180
Electronic book
178
Périodiques
172
Fiction
171
Aufsatzsammlung
154
Correspondence
152
Legislative histories
135
Photographs
134
Autobiographies
130
Exhibitions
130
more ...