Genre
Electronic books
1,430
Congresses
192
Case studies
100
Libros electronicos
62
Periodicals
60
Electronic book
36
Publicaciones periodicas
23
Documentary films
16
Biography
13
Electronic journals
11
Cross-cultural studies
9
Statistics
9
Educational films
7
Nonfiction films
5
DVD-Video discs
4
Encyclopedias
4
Filmed speeches
4
Dictionaries
3
Documentary television programs
3
Feature films
3
Film clips
3
Messages
3
Short films
3
Sources
3
Treaties
3
Congresos
2
Environmental films
2
History
2
Nature films
2
Autobiography
1
Cases
1
Computer network resources
1
Databases
1
Estudios de caso
1
Exhibitions
1
Filmed interviews
1
Forecasts
1
Handbooks, manuals, etc
1
Interviews
1
Juvenile literature
1
Lectures
1
Maps
1
Methods
1
Newspapers
1
Nonfiction television programs
1
Observations
1
Officers' handbooks
1
Photographs
1
Pictorial works
1
Rules and practice
1
more ...