Genre
Legislative materials
6,440
Legislative hearings
2,422
History
2,125
Early works to 1800
770
Sources
665
Biography
506
Treaties
480
Biographies
292
Congresses
237
Broadsides
209
Conference papers and proceedings
183
Case studies
171
Television news programs
138
Military history
103
Documentary films
96
Nonfiction films
75
Interviews
70
Chronology
68
Chronologies
64
Statutes and codes
53
Correspondence
49
Educational films
49
Computer network resources
47
Documentary television programs
41
Short films
40
Bibliography
39
Legislative histories
39
Electronic books
36
Criticism, interpretation, etc
33
Early works
33
Autobiographies
32
Poetry
32
Personal correspondence
29
Web sites
29
Academic theses
27
Constitutional amendments
27
Personal narratives
27
Fiction
24
Film clips
23
Bibliographies
22
Diaries
22
Government publications
22
Feature films
19
Church history
18
Newsreels
18
Rules and practice
18
Naval history
17
Executive agreements
16
Nonfiction television programs
15
Claims
14
more ...