Genre
Electronic books
1,783
Libros electronicos
303
Periodicals
288
Congresses
184
Publicaciones periodicas
176
Case studies
102
Electronic journals
45
Documentary films
42
Electronic book
38
Documentary television programs
21
Nonfiction films
18
Educational films
11
Handbooks, manuals, etc
11
DVD-Video discs
7
Feature films
7
Television news programs
6
Video recordings for the hearing impaired
4
Biography
3
Congresos
3
Environmental films
3
Interviews
3
Publicaciones seriadas
3
Statistics
3
Dictionaries
2
Filmed interviews
2
Filmed lectures
2
Forecasts
2
Instructional films
2
Panel discussions
2
Patents
2
Textbooks
2
Abstracts
1
Bibliography
1
Congresos y asambleas
1
Cross cultural studies
1
Cross-cultural studies
1
Databases
1
Designs and plans
1
Educational television programs
1
Electronic Resource
1
Electronic reference sources
1
Encyclopedias
1
Environmental aspects
1
Environmental television programs
1
Films for the hearing impaired
1
History
1
Instructional television programs
1
Juvenile literature
1
Kongress
1
Lectures
1
more ...