Columbia subject headings:
Harvard subject headings:
Maryland--Politics and government--1861-1865--Speeches in Congress.
Maryland--Politics and government--1861-1865.
Missouri--Politics and government--1861-1865--Speeches in Congress.
Missouri--Politics and government--1861-1865.
United States--History--Civil War, 1861-1865
United States--Politics and government--1861-1865.
Princeton subject headings:
Maryland--Politics and government--1861-1865.
Missouri--Politics and government--1861-1865.
United States--Politics and government--1861-1865.