Genre
Legislative materials
7,452
Legislative hearings
6,226
History
4,325
Periodicals
1,791
Congresses
1,621
Conference papers and proceedings
1,115
Television news programs
994
Case studies
907
Documentary films
862
Statistics
752
Nonfiction films
433
Early works to 1800
430
Biography
406
Documentary television programs
330
Educational films
253
Broadsides
234
Interviews
234
Biographies
226
Rules and practice
205
Criticism, interpretation, etc
199
Short films
173
Treaties
153
Cross-cultural studies
149
Sources
146
Commercial treaties
139
Bibliography
133
Feature films
126
Legislative histories
120
Handbooks, manuals, etc
118
Bibliographies
102
Audiobooks
94
Nonfiction television programs
78
Filmed speeches
74
Film clips
73
Handbooks and manuals
66
Academic theses
65
Messages
63
Textbooks
61
Festschriften
45
Military history
45
Livres audio
43
Fiction
40
Congress
39
Electronic books
37
Dictionaries
36
Drama
34
Aufsatzsammlung
32
Documentary
32
Environmental films
32
Early works
31
more ...