Genre
History
2,587
Electronic books
2,043
Congresses
1,834
Conference papers and proceedings
1,216
Periodicals
1,178
Biography
748
Directories
700
Biographies
387
Case studies
387
Criticism, interpretation, etc
381
Textbooks
343
Internet videos
319
Bibliography
267
Handbooks, manuals, etc
267
Educational films
227
Statistics
216
Interviews
200
Outlines, syllabi, etc
187
Handbooks and manuals
178
Sources
176
Correspondence
166
Instructional films
148
Bibliographies
147
Film excerpts
145
Exhibitions
144
Film clips
138
Problems, exercises, etc
138
Catalogs
114
Festschriften
114
Essays
111
Video recordings
106
Electronic journals
104
Dictionaries
102
Exhibition catalogs
100
Problems and exercises
99
Photographs
89
Syllabi
87
Textbooks for foreign speakers
86
Lecture notes
82
Curricula
80
Outlines and syllabi
78
Lectures
72
Aufsatzsammlung
70
Cross-cultural studies
70
Harvard students' notes
62
Autobiographies
59
Academic theses
58
for foreign speakers
52
Diaries
49
Congrès
47
more ...