Columbia subject headings:
Southern States--Politics and government--1775-1865.
Southern States--Politics and government--1865-1950.
Harvard subject headings:
Southern States--Politics and government--1775-1865.
Southern States--Politics and government--1865-1950.
Princeton subject headings:
Southern States--Politics and government--1775-1865.
Southern States--Politics and government--1865-1950.