Genre
Internet videos
25
Video recordings
25
Case studies
14
Biographies
9
Dictionaries
7
Handbooks and manuals
5
Autobiographies
3
Databases
2
Documentary films
2
Educational films
2
Encyclopedias
2
Academic theses
1
Anecdotes
1
Bibliographies
1
Conference papers and proceedings
1
Nonfiction television programs
1