Genre
History
32
Legislative materials
10
Sources
8
Legislative hearings
7
Early works to 1800
6
Treaties
6
Biographies
4
Biography
3
Military history
3
Commercial treaties
1
Correspondence
1
Criticism, interpretation, etc
1
Documentary films
1
Encyclopedias
1
Essays
1
Informational works
1
Microform catalogs
1
Royal ordinances
1
Speeches
1
Speeches in Congress
1