Columbia subject headings:
Abolitionists.
American Colonization Society.
Antislavery movements--United States.
Black people--Colonization--Africa.
Harvard subject headings:
Abolitionists
American Colonization Society
Antislavery movements--United States
Black people--Colonization--Africa.
Princeton subject headings:
Abolitionists.
African Americans--Colonization--Africa.
American Colonization Society.
Slavery--United States--Anti-slavery movements.