Genre
Legislative hearings
12,772
Statistics
9,120
Legislative materials
7,744
Periodicals
7,441
Bibliographies
7,213
Handbooks and manuals
4,940
Biographies
4,775
Technical reports
2,426
Treaties
2,327
Conference papers and proceedings
2,163
Statutes and codes
1,741
Video recordings
1,559
Maps
1,338
Autobiographies
1,201
Case studies
1,125
Internet videos
1,068
Congresses
925
Directories
892
Databases
687
Catalogs
683
Census data
663
Dictionaries
473
Literature
431
Serial publications
394
Fiction
337
Electronic government information
336
Sources
330
Sound recordings
320
Illustrated works
319
Vital statistics
312
Personal correspondence
300
Video recordings for the hearing impaired
300
Pictures
288
Drama
286
Personal narratives
278
Posters
274
Feature films
268
Interviews
244
Exhibition catalogs
218
Encyclopedias
207
Academic theses
202
Documentary films
198
Examinations
192
Longitudinal studies
191
Trivia and miscellanea
189
Guidebooks
170
Indexes
169
Study guides
169
Cases
166
Educational films
154
more ...