Columbia subject headings:
Harvard subject headings:
College students--Austria--Societies, etc.--History.
College students--Germany--Societies, etc.--History.
Secret societies--Austria--History.
Secret societies--Germany--History.
Princeton subject headings:
College students--Austria--Societies, etc.--History.
College students--Germany--Societies, etc.--History.
Secret societies--Austria--History.
Secret societies--Germany--History.