Columbia subject headings:
Harvard subject headings:
Education and state--Germany--19th century.
Education--Germany--Philosophy
Education--Political aspects--Germany--19th century.
Germany--History, Military--19th century.
Military education--Germany--19th century.
Princeton subject headings:
Education and state--Germany--19th century.
Education--Germany--Philosophy.
Education--Political aspects--Germany--19th century.
Germany--History, Military--19th century.
Military education--Germany--19th century.