Columbia subject headings:
Fertility, Human--Congo (Democratic Republic)
Marriage--Congo (Democratic Republic)
Polygamy--Congo (Democratic Republic)
Harvard subject headings:
Fertility, Human--Congo (Democratic Republic)
Marriage customs and rites--Congo (Democratic Republic)
Polygamy--Congo (Democratic Republic)
Yaka (African people)--Social life and customs.
Princeton subject headings:
Fertility, Human--Congo (Democratic Republic).
Marriage--Congo (Democratic Republic).
Polygamy--Congo (Democratic Republic).
Yaka (African people)