Columbia subject headings:
Congo (Democratic Republic)--Population.
Fertility, Human--Congo (Democratic Republic)--Statistics.
Marriage--Social aspects--Congo (Democratic Republic)
Reproduction--Social aspects--Congo (Democratic Republic)
Sex--Social aspects--Congo (Democratic Republic)
Harvard subject headings:
Congo (Democratic Republic)--Population.
Fertility, Human--Congo (Democratic Republic)--Statistics.
Marriage--Social aspects--Congo (Democratic Republic)
Reproduction--Social aspects--Congo (Democratic Republic)
Sex--Social aspects--Congo (Democratic Republic)
Princeton subject headings:
Fertility, Human--Congo (Brazzaville).