Columbia subject headings:
Harvard subject headings:
College teaching--Germany--History--19th century.
College teaching--Germany--History--20th century.
Higher education and state--Germany--History--19th century.
Higher education and state--Germany--History--20th century.
Universities and colleges--Germany--History--19th century.
Universities and colleges--Germany--History--20th century.
Princeton subject headings:
College teaching--Germany--History--19th century.
College teaching--Germany--History--20th century.
Higher education and state--Germany--History--19th century.
Higher education and state--Germany--History--20th century.
Universities and colleges--Germany--History--19th century.
Universities and colleges--Germany--History--20th century.