Columbia subject headings:
Republican Party (U.S. : 1854- )
United States--History--Civil War, 1861-1865--Causes.
United States--Politics and government--1849-1861.
Harvard subject headings:
Republican Party (U.S. : 1854- )
United States--History--Civil War, 1861-1865--Causes.
United States--Politics and government--1849-1861.
Princeton subject headings:
Republican Party (U.S. : 1854- )
United States--History--Civil War, 1861-1865--Causes.
United States--Politics and government--1849-1861.