Columbia subject headings:
Harvard subject headings:
Gays--Portugal--History--20th century.
Portugal--History--Revolution, 1974--Women.
Portugal--Social conditions--20th century
Portuguese--Sexual behavior--History--20th century.
Princeton subject headings:
Gays--Portugal--History--20th century.
Portugal--History--Revolution, 1974--Women.
Portugal--Social conditions--20th century.
Portuguese--Sexual behavior--History--20th century.