Columbia subject headings:
Lesbians--Cross-cultural studies.
Matriarchy.
Sex ratio--Cross-cultural studies.
Harvard subject headings:
Lesbianism--History.
Lesbians--Cross-cultural studies.
Matriarchy.
Sex ratio--Cross-cultural studies.
Princeton subject headings:
Lesbians--Cross-cultural studies.
Matriarchy.
Sex ratio--Cross-cultural studies.