Columbia subject headings:
Harvard subject headings:
Education and state--Germany--History--20th century.
Education and state--Switzerland--Zurich--History--20th century.
Germany--History--Revolution, 1848-1849.
Political science--Study and teaching--Germany--History--20th century.
Political science--Study and teaching--Switzerland--Zurich--History--20th century.
Princeton subject headings:
Education and state--Germany--History--20th century.
Education and state--Switzerland--Zurich--History--20th century.
Germany--History--Revolution, 1848-1849.
Political science--Study and teaching--Germany--History--20th century.
Political science--Study and teaching--Switzerland--Zurich--History--20th century.