Columbia subject headings:
Lincoln, Abraham, 1809-1865--Political and social views.
United States--History--Civil War, 1861-1865.
United States--Politics and government--1783-1865.
Harvard subject headings:
Lincoln, Abraham, 1809-1865--Military leadership.
Lincoln, Abraham, 1809-1865--Views on slavery.
Slavery--United States--History
Slaves--Emancipation--United States
United States--History--Civil War, 1861-1865--Campaigns.
United States--Politics and government--1861-1865.
Princeton subject headings:
Lincoln, Abraham, 1809-1865--Political and social views.
United States--History--Civil War, 1861-1865.
United States--Politics and government--1783-1865.