Columbia subject headings:
Unmarried couples--Legal status, laws, etc.--United States--States.
Unmarried couples--Legal status, laws, etc.--United States.
Harvard subject headings:
Unmarried couples--Legal status, laws, etc.--United States--States.
Unmarried couples--Legal status, laws, etc.--United States.
Princeton subject headings:
Unmarried couples--Legal status, laws, etc.--United States--States.
Unmarried couples--Legal status, laws, etc.--United States.