Genre
Handbooks, manuals, etc
16
Handbooks and manuals
12
Case studies
6
Audiobooks
5
Problems, exercises, etc
5
Educational films
4
Problems and exercises
4
Instructional films
3
Guides et manuels
2
Handbook
2
Legislative hearings
2
Miscellanea
2
History
1
Livres audio
1
Nonfiction films
1
Short films
1
Trivia and miscellanea
1