Columbia subject headings:
Harvard subject headings:
Education, Compulsory--Germany--Bavaria--History--19th century.
Education, Compulsory--Germany--Prussia--History--19th century.
Education--Political aspects--Germany--Bavaria--History--19th century.
Education--Political aspects--Germany--Prussia--History--19th century.
Princeton subject headings:
Education, Compulsory--Germany--Bavaria--History--19th century.
Education, Compulsory--Prussia (Germany)--History--19th century.
Education--Political aspects--Germany--Bavaria--History--19th century.
Education--Political aspects--Prussia (Germany)--History--19th century.