Other
Slavery
Politics and government
22
Extension to the territories
7
Speeches in Congress
6
History
3
Republican
3
Statehood (American politics)
3
Campaign literature
2
Campaign literature, 1856
2
Controversial literature
2
Kansas-Nebraska bill
2
Law and legislation
2
%SP3
1
Afro-Americana
1
Democratic
1
Elections
1
Missouri compromise
1