Columbia subject headings:
Harvard subject headings:
College students--Germany--Societies, etc.--History--Congresses.
College teachers--Germany--History--Congresses.
Education, Higher--Germany--History--Congresses.
Universities and colleges--Germany--Sociological aspects--Congresses.
Princeton subject headings:
College teachers--Germany--Societies, etc.--Congresses.
Students--Germany--Societies, etc.--Congresses.
Universities and colleges--Germany--History--Congresses.