Columbia subject headings:
Africa, West--History.
African Union.
African cooperation.
Kongo (African people)--History.
Kongo (African people)--Social life and customs.
Harvard subject headings:
African Union.
Kongo Kingdom--Civilization.
Pan-Africanism.
Princeton subject headings:
African Union.
Kongo (African people)--Social life and customs.
Kongo Kingdom--Civilization.
Kongo Kingdom--History.
Pan-Africanism.