Columbia subject headings:
African Americans--Colonization--Sources.
African Americans--Congresses.
African Americans--History--To 1863--Sources.
Antislavery movements--United States--Sources.
Harvard subject headings:
African Americans--Colonization--Sources.
African Americans--Congresses
African Americans--History--To 1863--Sources.
Antislavery movements--United States--Sources.
Princeton subject headings:
African Americans--Colonization--Sources.
African Americans--Congresses.
African Americans--History--To 1863--Sources.
Antislavery movements--United States--Sources.