Columbia subject headings:
Civil unions--Law and legislation--Switzerland.
Gay couples--Legal status, laws, etc.--Switzerland.
Gay couples--Taxation--Law and legislation--Switzerland.
Health insurance--Law and legislation--Switzerland.
Same-sex marriage--Law and legislation--Switzerland.
Harvard subject headings:
Civil unions--Law and legislation--Switzerland.
Gay couples--Legal status, laws, etc.--Switzerland.
Statutes and codes.
Princeton subject headings: