Genre
Early works to 1800
676
Electronic books
368
Sources
308
Broadsides
240
History
190
Treaties
97
Biography
78
Legislative hearings
78
Early works
57
Military history
50
Interviews
47
Records and correspondence
44
Oral histories
42
Television news programs
40
Case studies
36
Congresses
34
Periodicals
33
Poetry
30
Speeches in Congress
29
Correspondence
28
Television press conferences
25
Archives
21
Congressional addresses
19
Letters
19
Trials, litigation, etc
18
Legislative materials
17
Controversial literature
16
Fast day sermons
15
Fast-day sermons
13
Fourth of July addresses
12
Messages
12
Anti-slavery literature
11
Memorials (Legal)
11
Poems
11
Maps
10
Pamphlets
10
Sermons
10
Addresses
9
Campaign literature
9
Conference papers and proceedings
9
Computer network resources
8
Songs and music
8
Booksellers' advertisements
7
Full-text databases
7
CD-ROMs
6
Databases
6
Diaries
6
Songs
6
Portraits
5
Publishers' advertisements
5
more ...