Genre
History
10
Statistics
6
Biographies
3
Biography
3
Documentary films
2
Guidebooks
2
Indexes
2
Juvenile literature
2
Treaties
2
Bibliographies
1
Bibliography
1
Catalogs
1
Congress
1
Congresses
1
Documentary television programs
1
Electronic books
1
Historical films
1
Juvenile works
1
Legislative hearings
1
Maps
1
Military history
1
Periodicals
1
Sources
1
e-books
1
travel guidebooks
1