Columbia subject headings:
Abolitionists--Pennsylvania.
African Americans--Colonization--Haiti.
Haiti--Politics and government.
Haiti--Social conditions.
Harvard subject headings:
African Americans--Colonization--Haiti.
Antislavery movements--Pennsylvania.
Haiti--Politics and government
Haiti--Social conditions
Slave insurrections--Haiti.
Slavery--United States
Princeton subject headings:
Abolitionists--Pennsylvania.
African Americans--Colonization--Haiti.
Haiti--Politics and government.
Haiti--Social conditions.