Columbia subject headings:
Gays--Spain--Social conditions--20th century.
Gays--Spain--Social life and customs.
Homosexuality--Spain--History--20th century.
Harvard subject headings:
Gays--Spain--Social conditions--20th century.
Gays--Spain--Social life and customs.
Homosexuality--Spain--History--20th century.
Princeton subject headings:
Gays--Spain--Social life and customs--20th century.
Homosexuality--Spain.