Genre
Handbooks and manuals
10
Periodicals
7
Conference papers and proceedings
5
Nonfiction television programs
5
Video recordings
5
Encyclopedias
4
Case studies
3
Congresses
3
Drama
3
Statistics
3
Academic theses
2
Biographies
2
Cross-cultural studies
2
Dictionaries
2
Documentary films
2
Documentary television programs
2
Instructional films
2
Instructional television programs
2
Textbooks
2
Autobiographies
1
Board books
1
Films for the hearing impaired
1
Literature
1
Longitudinal studies
1