Genre
Electronic books
4,161
Periodicals
488
Congresses
365
Biography
231
Libros electronicos
166
Sources
140
Electronic book
110
Electronic journals
97
Encyclopedias
96
Exhibitions
95
Documentary films
89
Juvenile literature
88
Documentary television programs
85
Early works to 1800
85
Television news programs
79
Publicaciones periodicas
55
History
53
Pictorial works
51
Bibliography
41
Miscellanea
38
Nonfiction television programs
36
Handbooks, manuals, etc
35
DVD-Video discs
34
Case studies
31
Fiction
30
Videocassettes
29
Dictionaries
26
Maps
25
Literary collections
24
Interviews
23
Educational films
22
Anecdotes
21
Exhibition catalogs
21
Nonfiction films
21
Feature films
18
Guidebooks
18
Poetry
18
Congresos
17
Essays
16
Catalogs
15
Drama
15
Forecasts
15
In art
15
Translations into English
15
Textbooks
13
Chronology
12
Cross-cultural studies
12
Short films
11
Historical television programs
10
Outlines, syllabi, etc
10
more ...