Columbia subject headings:
Package tours--Law and legislation--France.
Package tours--Law and legislation--Germany.
Package tours--Law and legislation--Switzerland.
Travel contracts--France.
Travel contracts--Germany.
Travel contracts--Switzerland.
Harvard subject headings:
Liability (Law)--France.
Liability (Law)--Germany.
Liability (Law)--Switzerland.
Package tours--Law and legislation--France.
Package tours--Law and legislation--Germany.
Package tours--Law and legislation--Switzerland.
Travel contracts--France.
Travel contracts--Germany.
Travel contracts--Switzerland.
Princeton subject headings: