Genre
Conference papers and proceedings
35,643
Fiction
32,935
Sound recordings
28,535
Video recordings
26,070
Internet videos
23,489
Maps
21,749
Dictionaries
16,948
Periodicals
14,445
Legislative hearings
13,736
Biographies
13,299
Statistics
12,961
Handbooks and manuals
11,863
Bibliographies
10,594
Legislative materials
9,080
Technical reports
6,958
Congresses
3,731
Case studies
3,661
Scores
3,636
Topographic maps
3,394
Autobiographies
3,069
Operas
2,970
Drama
2,754
Statutes and codes
2,704
Instructional television programs
2,673
Excerpts
2,661
Treaties
2,594
Catalogs
2,447
Literature
2,212
Illustrated works
1,817
Academic theses
1,600
Directories
1,600
Encyclopedias
1,474
Festschriften
1,451
Picture books
1,450
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
1,142
Serial publications
1,051
Novels
1,009
Video recordings for the hearing impaired
974
Symphonies
955
Concertos
907
Sources
829
Educational films
823
Problems and exercises
804
more ...