Genre
Legislative hearings
779
Legislative materials
585
Congresses
449
Conference papers and proceedings
395
Documentary films
285
History
283
Case studies
220
Periodicals
128
Television news programs
118
Documentary television programs
97
Audiobooks
95
proceedings (reports)
65
Educational films
63
Instructional films
54
Short films
43
Nonfiction films
41
Livres audio
40
Criticism, interpretation, etc
29
Juvenile literature
25
Academic theses
23
Rules and practice
23
Interviews
22
dissertations
21
Handbooks, manuals, etc
20
Biography
19
Patents
18
Nonfiction television programs
16
Handbooks and manuals
15
Internet videos
14
Biographies
13
Juvenile works
13
Technical reports
12
Travelogues (Television programs)
11
Essays
10
Online media
9
Educational television programs
8
Electronic books
8
Fiction
8
Science television programs
8
Blogs
7
Early works to 1800
7
Festschriften
7
Forecasts
7
Legislative histories
7
Sources
7
Statistics
7
Animated films
6
Encyclopedias
6
Feature films
6
Popular works
6
more ...