Genre
Sources
164,605
History
159,630
Biography
75,614
Biographies
45,096
Electronic books
32,997
Early works to 1800
24,814
Periodicals
21,304
Congresses
19,495
Conference papers and proceedings
12,944
Early works
10,832
Broadsides
10,641
Interviews
10,305
Autobiographies
6,373
Radio news programs
4,998
Correspondence
4,800
Fiction
4,216
Caricatures and cartoons
3,763
Humor
3,704
Newspapers
3,526
Criticism, interpretation, etc
3,465
Pamphlets
3,404
Printed ephemera
3,175
Diaries
3,164
Documentary films
3,161
Speeches in Congress
3,114
Personal narratives
2,977
Poetry
2,866
Academic theses
2,784
Bibliography
2,729
Anecdotes
2,693
Trials, litigation, etc
2,583
Military history
2,450
Records and correspondence
2,402
Pictorial works
2,281
Internet videos
2,212
Case studies
2,207
Dictionaries
2,163
Personal correspondence
2,058
Drama
2,053
Video recordings
1,956
Speeches
1,891
Feature films
1,854
Thèses et écrits académiques
1,828
Congressional addresses
1,815
Campaign literature
1,745
Controversial literature
1,727
Church history
1,660
Nonfiction films
1,654
Statistics
1,611
Oral histories (literary works)
1,593
more ...