Columbia subject headings:
Gays--Spain--Social conditions.
Harvard subject headings:
AIDS (Disease)--Spain.
Gay community--Spain.
Gay rights--Spain.
Gays--Sexual behavior--Spain.
Gays--Spain--Social conditions.
Princeton subject headings:
AIDS (Disease)--Spain.
Gay community--Spain.
Gay rights--Spain.
Gays--Sexual behavior--Spain.
Gays--Spain--Social conditions.