Other
History
20
Sources
Manuscripts, American
15
Bibliography
11
Archives
8
Manuscripts
8
Correspondence
3
German Americans
2
Government relations
2
Indians of North America
2
Indians, Treatment of
2
Plantations
2
Slavery
2
African Americans
1
Agriculture
1
Botanists
1
Botany
1
Commerce
1
Department stores
1
Early printed books
1
Mexican War, 1846-1848
1
Microform catalogs
1
Research
1
Schools
1
Union catalogs
1
Yellow fever
1