Columbia subject headings:
Africa, West--Colonization.
Church Missionary Society.
Nigeria--History.
Sierra Leone--History.
Harvard subject headings:
Africa, West--Colonization.
Church Missionary Society
Nigeria--History.
Sierra Leone--History.
Princeton subject headings:
Africa, West--Colonization.
Church Missionary Society.
Nigeria--History--Coup d'état, 1983.
Sierra Leone--History.