Genre
Conference papers and proceedings
9,032
Handbooks and manuals
1,898
Periodicals
1,098
Congresses
495
Technical reports
484
Cookbooks
364
Statistics
354
Biographies
245
Dictionaries
237
Academic theses
219
Case studies
205
Bibliographies
163
Software
158
Serial publications
131
Directories
126
Illustrated works
124
Festschriften
123
Video recordings
116
Catalogs
104
Encyclopedias
100
Literature
95
Maps
86
Problems and exercises
85
Tables (Data)
81
Power electronics (Music)
75
Recipes
61
Exhibition catalogs
57
Study guides
57
Databases
54
Autobiographies
48
Textbooks
46
Examinations
41
Indexes
38
Graphs
37
Guidebooks
37
Documentary films
36
Blank forms
35
Community cookbooks
34
Laboratory manuals
31
Nonfiction films
30
Abstracts
29
Charts, diagrams, etc
29
Video recordings for the hearing impaired
29
Popular works
26
Interviews
25
Electronic books
23
Patents
23
Fiction
21
Pottery
19
Surveys
19
more ...