Columbia subject headings:
Fugitive slaves--United States.
United States. Fugitive slave law (1850)
Harvard subject headings:
Constitutional history--United States--Congresses
Federal government--United States--Congresses
Fugitive slaves--United States
Slavery--United States--Congresses.
States' rights (American politics)--Congresses.
United States. Fugitive slave law (1850)
Princeton subject headings:
Fugitive slaves--United States.
United States. Fugitive slave law (1850)