Genre
Conference papers and proceedings
35,643
Fiction
32,939
Sound recordings
28,538
Video recordings
26,073
Internet videos
23,476
Maps
21,928
Dictionaries
16,948
Periodicals
14,454
Legislative hearings
13,649
Biographies
13,293
Statistics
12,943
Handbooks and manuals
11,847
Bibliographies
10,624
Legislative materials
9,025
Technical reports
6,954
Congresses
3,734
Case studies
3,662
Scores
3,635
Topographic maps
3,327
Autobiographies
3,066
Operas
2,970
Drama
2,757
Statutes and codes
2,702
Instructional television programs
2,673
Excerpts
2,661
Treaties
2,590
Catalogs
2,448
Literature
2,212
Illustrated works
1,816
Academic theses
1,599
Directories
1,598
Encyclopedias
1,473
Picture books
1,453
Festschriften
1,451
Exhibition catalogs
1,419
Atlases
1,345
Guidebooks
1,329
Serial publications
1,233
Databases
1,229
Songs
1,218
Feature films
1,174
Nonfiction television programs
1,162
Poetry
1,135
Novels
993
Video recordings for the hearing impaired
973
Symphonies
955
Concertos
907
Sources
829
Educational films
823
Problems and exercises
801
more ...