Genre
History
13,301
Case studies
5,991
Legislative materials
4,096
Congresses
3,952
Biography
3,109
Conference papers and proceedings
2,887
Statistics
2,565
Handbooks, manuals, etc
1,861
Early works to 1800
1,841
Biographies
1,747
Audiobooks
1,405
Nonfiction films
1,140
Handbooks and manuals
1,084
Periodicals
964
Documentary films
875
Cross-cultural studies
788
Broadsides
709
Juvenile literature
568
Internet videos
530
Livres audio
520
Study guides
422
Interviews
404
Sources
397
Nonfiction television programs
364
Textbooks
363
Autobiographies
296
Problems, exercises, etc
284
Encyclopedias
269
Criticism, interpretation, etc
266
Dictionaries
255
Problems and exercises
215
Academic theses
192
Directories
189
Feature films
189
Instructional films
183
Juvenile works
182
Bibliography
161
Statistics, Medical
159
Pictorial works
152
e-books
151
Examinations, questions, etc
149
Popular works
148
Rules and practice
147
Legislative histories
146
Longitudinal studies
140
Statistics, Vital
133
Congress
132
Examinations
121
Anecdotes
120
Legislative hearings
118
more ...