Columbia subject headings:
Harvard subject headings:
Education, Higher--Germany--Rostock--History--Congresses.
Universität Rostock--History--Congresses.
Universities and colleges--Germany--Rostock--History--Congresses.
Princeton subject headings:
Higher education and state--Germany--Rostock--History.
Universität Rostock--Anniversaries, etc.
Universität Rostock--History.