Columbia subject headings:
Germany--History, Military--20th century.
Germany. Heer--History--20th century.
Germany. Heer--Organization.
Military education--Germany--History--20th century.
Harvard subject headings:
Germany--History, Military--20th century.
Germany. Heer--History--20th century.
Germany. Heer--Organization.
Military education--Germany--History--20th century.
Princeton subject headings:
Germany. Heer--History.
Military education--Germany--History.