Columbia subject headings:
Political parties--United States.
United States--Politics and government--1849-1861.
United States--Politics and government--Handbooks, manuals, etc.
Harvard subject headings:
Campaign literature--Republican.
Political parties--United States
Slavery--United States--Controversial literature.
United States--Politics and government--1849-1861
United States--Politics and government--Handbooks, manuals, etc.
Princeton subject headings: