Genre
Conference papers and proceedings
35,643
Fiction
32,938
Sound recordings
28,529
Video recordings
26,040
Internet videos
23,489
Maps
21,741
Dictionaries
16,948
Periodicals
14,445
Legislative hearings
13,736
Biographies
13,300
Statistics
12,959
Handbooks and manuals
11,862
Bibliographies
10,595
Legislative materials
9,081
Technical reports
6,958
Congresses
3,731
Case studies
3,658
Scores
3,635
Topographic maps
3,394
Autobiographies
3,066
Operas
2,969
Drama
2,709
Statutes and codes
2,704
Instructional television programs
2,673
Excerpts
2,660
Treaties
2,594
Catalogs
2,447
Literature
2,212
Illustrated works
1,818
Academic theses
1,600
Directories
1,600
Encyclopedias
1,474
Festschriften
1,451
Picture books
1,451
Exhibition catalogs
1,419
Atlases
1,347
Guidebooks
1,329
Databases
1,225
Songs
1,215
Feature films
1,175
Nonfiction television programs
1,164
Poetry
1,144
Serial publications
1,051
Novels
1,008
Video recordings for the hearing impaired
974
Symphonies
955
Concertos
907
Sources
829
Educational films
823
Problems and exercises
804
more ...