Columbia subject headings:
Harvard subject headings:
Antislavery movements--Michigan--Detroit.
Antislavery movements--United States--Detroit.
Detroit River Valley (Mich. and Ont.)--History--19th century.
Fugitive slaves--Michigan--Detroit.
Fugitive slaves--United States--Detroit.
Underground Railroad--Detroit.
Underground Railroad--Michigan--Detroit.
Underground Railroad--Ontario.
Princeton subject headings:
Detroit River Valley (Mich. and Ont.)--History--19th century.
Underground Railroad--Michigan--Detroit.
Underground Railroad--Ontario.