Columbia subject headings:
Education, Higher--Germany--History--19th century.
Students--Political activity--Germany--History--19th century.
Harvard subject headings:
Education, Higher--Germany--History--19th century.
Students--Germany--Political activity--History--19th century.
Students--Political activity--Germany--History--19th century.
Princeton subject headings:
Education, Higher--Germany--History--19th century.
Students--Germany--Political activity--History--19th century.