Columbia subject headings:
Men--Yemen (Republic)--Statistics.
Women--Yemen (Republic)--Statistics.
Yemen (Republic)--Social conditions--Statistics.
Yemen (Republic)--Statistics, Vital.
Harvard subject headings:
Men--Yemen--Statistics.
Vital statistics--Yemen.
Women--Yemen--Statistics.
Princeton subject headings:
Men--Yemen--Statistics.
Statistics.
Women--Yemen--Statistics.
Yemen--Economic conditions--Statistics.
Yemen--Population--Statistics.
Yemen--Social conditions--Statistics.