Genre
Conference papers and proceedings
35,642
Fiction
32,932
Sound recordings
28,534
Video recordings
26,072
Internet videos
23,487
Maps
21,747
Dictionaries
16,947
Periodicals
14,449
Legislative hearings
13,649
Biographies
13,295
Statistics
12,944
Handbooks and manuals
11,849
Bibliographies
10,626
Legislative materials
9,025
Technical reports
6,956
Congresses
3,731
Case studies
3,663
Scores
3,636
Topographic maps
3,394
Autobiographies
3,068
Operas
2,970
Drama
2,754
Statutes and codes
2,702
Instructional television programs
2,673
Excerpts
2,661
Treaties
2,590
Catalogs
2,447
Literature
2,212
Illustrated works
1,814
Academic theses
1,600
Directories
1,600
Encyclopedias
1,474
Festschriften
1,451
Picture books
1,446
Exhibition catalogs
1,419
Atlases
1,348
Guidebooks
1,330
Databases
1,225
Songs
1,214
Feature films
1,174
Nonfiction television programs
1,162
Poetry
1,139
Serial publications
1,051
Novels
1,006
Video recordings for the hearing impaired
974
Symphonies
955
Concertos
907
Sources
829
Educational films
823
Problems and exercises
802
more ...