Other
Slavery
Annexation to the United States
9
Extension to the territories
7
Annexation
5
Afro-Americana
3
History
3
Indians of North America
2
Politics and government
2
Social life and customs
2
%SP3
1
(B) Slavery in the United States
1
African Americans
1
Controverisal literature
1
Controversial literature
1
Enslaved persons
1
Family
1
Plantations
1
Race relations
1
Slave trade
1
Slaveholders
1
White people
1