Columbia subject headings:
Freed persons--Sierra Leone--History--18th century.
Freed persons--Sierra Leone--History--19th century.
Sierra Leone--History--To 1896.
Sierra Leone--Social conditions--18th century.
Sierra Leone--Social conditions--19th century.
Slave trade--Africa, West.
Harvard subject headings:
Freed persons--Sierra Leone--History--18th century.
Freed persons--Sierra Leone--History--19th century.
Sierra Leone--History--To 1896
Sierra Leone--Social conditions--18th century.
Sierra Leone--Social conditions--19th century.
Slave trade--Africa, West
Princeton subject headings:
Freed persons--Sierra Leone--History--18th century.
Freed persons--Sierra Leone--History--19th century.
Sierra Leone--History--To 1896.
Sierra Leone--Social conditions--18th century.
Sierra Leone--Social conditions--19th century.
Slave trade--Africa, West.