Genre
Case studies
13
Instructional films
9
Handbooks, manuals, etc
5
Cross-cultural studies
4
History
4
Internet videos
4
Longitudinal studies
4
Nonfiction television programs
4
Legislative hearings
2
Livres électronique
2
Conference papers and proceedings
1
Congresses
1
Directories
1
Instructional television programs
1
Livres électronique
1
Local history
1
Statistics
1
United States
1