Columbia subject headings:
Scott, Dred, 1809-1858.
Scott, Dred.
Slavery--Law and legislation--United States.
Slavery--United States--Law and legislation.
Slavery--United States--Legal status of slaves in free states.
Harvard subject headings:
Scott, Dred, 1809-1858.
Slavery--Law and legislation--United States
Slaves--Legal status, laws, etc.--United States.
Princeton subject headings: