Columbia subject headings:
College students--Europe, German-speaking--History.
College students--Germany--History.
Universities and colleges--Europe, German-speaking--History.
Universities and colleges--Germany--History.
Universität zu Köln--History.
Harvard subject headings:
College attendance--Germany--History.
Education, Medieval--Germany.
Germany--Social conditions.
Universität zu Köln--Students--History.
Universities and colleges--Germany--History.
Princeton subject headings:
College attendance--Germany--History.
Education, Medieval--Germany.
Germany--Social conditions--History.
Universität zu Köln--Students--History.
Universities and colleges--Germany--History.