Columbia subject headings:
College teachers--Legal status, laws, etc.--Germany (West)
Universities and colleges--Law and legislation--Germany (West)
Harvard subject headings:
School closings--Germany (West)
School closings--Germany--North Rhine-Westphalia.
Universities and colleges--Law and legislation--Germany (West)
Universities and colleges--Law and legislation--Germany--North Rhine-Westphalia.
Princeton subject headings: