Genre
Audiobooks
1
Biography
4
Case studies
2
Conference papers and proceedings
4
Congresses
11
Documentary films
2
Early works
1
Early works to 1800
1
Educational films
7
Electronic books
1
Feature films
1
Film clips
6
History
29
Nonfiction films
2
Periodicals
2
Problems, exercises, etc
1
Publicaciones periódicas
1
Périodiques
1
Reference works
1
Television news programs
2