Genre
Conference papers and proceedings
3,858
Handbooks and manuals
307
Video recordings
281
Internet videos
270
Technical reports
262
Periodicals
257
Legislative hearings
159
Statistics
122
Bibliographies
107
Software
107
Dictionaries
102
Congresses
90
Biographies
78
Legislative materials
68
Festschriften
65
Case studies
45
Problems and exercises
43
Academic theses
35
Serial publications
31
Maps
30
Educational films
26
Instructional television programs
22
Encyclopedias
21
Study guides
21
Textbooks
17
Directories
16
Tables (Data)
16
Autobiographies
15
Examinations
12
Abstracts
11
Catalogs
11
Nonfiction television programs
11
Power electronics (Music)
11
Databases
9
Interviews
9
Statutes and codes
9
Laboratory manuals
8
Trivia and miscellanea
6
Video recordings for the hearing impaired
6
Electronic books
5
Feature films
5
Literature
5
Specifications
5
Architectural drawings
4
Documentary television programs
4
Humor
4
Nonfiction films
4
Science fiction
4
Documentary films
3
Drama
3
more ...