Genre
Electronic books
6,618
Congresses
1,611
Conference papers and proceedings
1,254
Congress
642
Periodicals
581
Academic theses
520
History
502
Internet videos
357
Periodical
353
Handbooks, manuals, etc
306
Biography
263
Handbooks and manuals
263
Dictionaries
262
Aufsatzsammlung
254
Educational films
244
Electronic journals
244
Popular works
205
Electronic book
204
Biographies
176
Criticism, interpretation, etc
166
Congrès
155
Video recordings
136
congresses
133
Laboratory manuals
132
Case studies
131
Textbooks
115
Congrès
112
Laboratory Manual
93
Documentary films
91
Encyclopedias
84
Interviews
82
Internet Resources
81
Popular Work
80
Laboratory Manuals
77
Atlases
74
Fulltext
73
periodicals
71
Computer network resources
67
Festschriften
67
Périodiques
67
Actes de congrès
61
Nonfiction films
61
Examinations, questions, etc
59
Audiobooks
58
Périodiques
58
Examination Questions
55
Case Reports
54
Nonfiction
53
Instructional films
52
Autobiographies
50
more ...