Columbia subject headings:
Civil unions--Switzerland.
Gays--Legal status, laws, etc.--Switzerland.
Homosexuality--Law and legislation--Switzerland.
Lesbians--Legal status, laws, etc.--Switzerland.
Status (Law)--Switzerland.
Harvard subject headings:
Gays--Legal status, laws, etc.--Switzerland.
Lesbians--Legal status, laws, etc.--Switzerland.
Princeton subject headings: