Genre
Instructional television programs
1,415
Video recordings
1,256
Internet videos
1,119
Nonfiction television programs
462
Handbooks and manuals
388
Conference papers and proceedings
300
Statistics
285
Periodicals
245
Case studies
151
Documentary television programs
144
Bibliographies
99
Educational films
85
Congresses
60
Instructional films
56
Legislative materials
56
Study guides
55
Biographies
54
Problems and exercises
53
Directories
51
Legislative hearings
50
Technical reports
43
Literature
37
Textbooks
37
Catalogs
32
Documentary films
30
Academic theses
28
Serial publications
28
Examinations
27
Cross-cultural studies
25
Teaching pieces (Music)
25
Festschriften
23
Scores
23
Pictures
22
Posters
19
Dictionaries
18
Drama
17
Interactive multimedia
16
Television interviews
16
Outlines and syllabi
15
Census data
13
Longitudinal studies
13
Puzzles and games
13
Sound recordings
13
Fiction
12
Filmed interviews
12
Instructional and educational works
12
Maps
12
Software
12
Video recordings for the hearing impaired
12
Statutes and codes
11
more ...