Columbia subject headings:
Harvard subject headings:
Education, Higher--Social aspects--Germany--Congresses.
Popular culture--Germany--History--20th century--Congresses.
Popular culture--Germany--History--21st century--Congresses.
Universities and colleges--Europe--History--20th century--Congresses.
Universities and colleges--Europe--History--21st century--Congresses.
Princeton subject headings:
Education, Higher--Germany.