نوع المادة
Periodicals
7
History
6
Electronic books
5
Conference papers and proceedings
3
Congresses
3
Documentary films
2
Libros electronicos
2
Biographies
1
Biography
1
Case studies
1
Commercial treaties
1
Congress
1
Feature films
1
Historical films
1
Interviews
1
Nonfiction films
1
Périodiques
1
Revistes
1
Spanish language films
1
Video recordings
1
Video recordings for the hearing impaired
1
proceedings (reports)
1