Columbia subject headings:
Constitutional law--Germany (West)--Congresses.
Law--Germany (West)--Moral and ethical aspects--Congresses.
Liberty--Moral and ethical aspects--Congresses.
Harvard subject headings:
Constitutional law--Germany (West)--Congresses
Law--Moral and ethical aspects--Germany (West)--Congresses.
Liberty--Moral and ethical aspects--Congresses.
Princeton subject headings: