Genre
Electronic books
870
Congresses
363
Conference papers and proceedings
291
Periodicals
270
Case studies
227
Academic theses
222
Handbooks, manuals, etc
193
Cross-cultural studies
178
Thèses et écrits académiques
177
Congress
156
Educational films
150
Aufsatzsammlung
127
Bibliography
125
Longitudinal studies
124
Academic Dissertation
116
Actes de congrès
115
Documentary films
111
Congrès
110
Handbooks and manuals
102
Documentary television programs
97
Films éducatifs
93
proceedings (reports)
93
Video recordings for the hearing impaired
86
Études de cas
85
History
76
Nonfiction films
73
Documentaires
69
Bibliographies
68
Guides, manuels, etc
64
Electronic journals
60
Documentaires télévisés
56
Périodiques
56
Études longitudinales
55
Nonfiction television programs
53
Government publications
49
Periodical
49
Internet videos
47
Juvenile works
47
Statistics
46
Vidéos sur Internet
46
Streaming video
45
Guides et manuels
43
Films autres que de fiction
41
Video recordings
41
Documentaries and Factual Films
39
Juvenile
39
Biography
38
Handbook
38
dissertations
38
Collected Work
37
more ...