Columbia subject headings:
Lincoln, Abraham, 1809-1865.
Presidents--United States--Biography.
United States--Politics and government--1815-1861.
United States--Politics and government--1849-1877.
Harvard subject headings:
Lincoln, Abraham, 1809-1865
Presidents--United States--Biography
United States--Politics and government--1815-1861.
United States--Politics and government--1849-1877.
Princeton subject headings: