Genre
Electronic books
5,349
Congresses
415
Case studies
250
Periodicals
246
Electronic book
160
Libros electronicos
159
Documentary films
114
Television news programs
99
Early works to 1800
95
Electronic journals
82
Statistics
78
Cross-cultural studies
46
DVD-Video discs
45
Documentary television programs
45
Biography
42
Nonfiction films
38
Short films
29
Feature films
25
History
20
Video recordings for the hearing impaired
18
Educational films
17
Handbooks, manuals, etc
14
Drama
11
Interviews
11
Congresos
9
Environmental films
9
Encyclopedias
8
Juvenile literature
8
Longitudinal studies
8
Bibliography
7
Broadsides
6
Popular works
6
Tables
6
Exhibitions
5
Fiction
5
Patents
5
Sources
5
Television series
5
Cases
4
Dark comedy television programs
4
Documentary
4
Fiction television programs
4
Informational works
4
Maps
4
Registers
4
Television crime shows
4
Television programs for the hearing impaired
4
Caricatures and cartoons
3
Commercial treaties
3
Correspondence
3
more ...