Columbia subject headings:
Allegiance--United States.
Slavery--United States--Controversial literature.
States' rights (American politics)
United States--Politics and government--1861-1865.
Harvard subject headings:
Allegiance--United States
States' rights (American politics)
United States--History--Civil War, 1861-1865
United States--Politics and government--1861-1865.
Princeton subject headings:
Allegiance--United States.
States' rights (American politics)
United States--Politics and government--1861-1865.