Columbia subject headings:
Legislation--United States--History.
United States 37th Congress, (1861-1863)
United States--Politics and government--1861-1865.
United States. Congress (37th : 1861-1863)
Harvard subject headings:
Legislation--United States--History.
United States--History--Civil War, 1861-1865
United States--Politics and government--1861-1865.
United States. Congress (37th : 1861-1863)
Princeton subject headings:
Legislation--United States--History.
United States--Politics and government--1861-1865.
United States. 37th Congress, 1861-1863.