Genre
Video recordings
163
Internet videos
158
Pictures
110
Posters
106
Biographies
99
Legislative hearings
57
Treaties
40
Sources
23
Conference papers and proceedings
20
Maps
20
Autobiographies
18
Fiction
17
Illustrated works
16
Diaries
13
Literature
13
Bibliographies
11
Interactive multimedia
10
Periodicals
10
Early accounts to 1600
9
Handbooks and manuals
9
Novels
8
Picture books
7
Congresses
6
Legislative materials
6
Science fiction
6
Atlases
5
Drama
5
Encyclopedias
5
Activity books
4
Catalogs
4
Early works to 1800
4
Photographs
4
Video recordings for the hearing impaired
4
Action and adventure fiction
3
Biographical fiction
3
Dictionaries
3
Documentary television programs
3
Exhibition catalogs
3
Feature films
3
Remote-sensing images
3
Sound recordings
3
Surveys
3
Chronologies
2
Comics (Graphic works)
2
Controlled vocabularies
2
Databases
2
Early maps
2
Educational films
2
Environmental impact statements
2
Fiction films
2
more ...