Columbia subject headings:
Learned institutions and societies--Europe, Central--History--20th century.
Learned institutions and societies--Germany (East)--History--20th century.
Harvard subject headings:
Learned institutions and societies--Europe, Central--History--20th century.
Learned institutions and societies--Germany (East)--History--20th century.
Princeton subject headings:
Learned institutions and societies--Europe, Central--History--20th century.
Learned institutions and societies--Germany (East)--History--20th century.