Columbia subject headings:
Habeas corpus--United States.
Martial law--United States.
United States--Politics and government--1861-1865.
Harvard subject headings:
Martial law--United States.
United States--History--Civil War, 1861-1865
United States--Politics and government--1861-1865.
Princeton subject headings:
Martial law--United States.
United States--Politics and government--1861-1865.