Columbia subject headings:
Harvard subject headings:
Classical antiquities--Study and teaching--Germany--Frankfurt am Main--History--20th century.
Classical philology--Study and teaching--Germany--Frankfurt am Main--History--20th century.
National socialism and education--Germany--Frankfurt am Main.
Universität Frankfurt am Main--History--20th century.
Princeton subject headings:
Civilization, Ancient--Research--Germany--Frankfurt am Main--History.
Universität Frankfurt am Main.