Columbia subject headings:
Constitutional history--Confederate States of America.
Constitutional history--United States.
Davis, Jefferson, 1808-1889.
Lincoln, Abraham, 1809-1865.
Harvard subject headings:
Constitutional history--Confederate States of America.
Constitutional history--United States
Davis, Jefferson, 1808-1889.
Lincoln, Abraham, 1809-1865
Lincoln, Abraham, 1809-1865--Views on the Constitution.
Princeton subject headings: