Columbia subject headings:
Crittenden, John J. (John Jordan), 1787-1863.
Slavery--United States--Speeches in Congress.
United States--Politics and government--1861-1865.
Harvard subject headings:
Crittenden, John J. (John Jordan), 1787-1863
Slavery--United States--Speeches in Congress--1861.
United States--Politics and government--1861-1865.
Princeton subject headings:
Crittenden, John J. (John Jordan), 1787-1863.
Slavery--United States--Speeches, addresses, etc.
United States--Politics and government--1861-1865.