Columbia subject headings:
Education and state--Germany--History--20th century.
German language--Study and teaching--Germany--Hannover.
World War, 1914-1918--Germany--Propaganda.
Harvard subject headings:
Essay--Study and teaching (Secondary)--Germany--History--20th century.
German language--Rhetoric--Study and teaching (Secondary)--History--20th century.
German philology--Study and teaching (Secondary)--Germany--History--20th century.
Language arts (Secondary)--Germany--History--20th century.
Nationalism and education--Germany--History--20th century.
World War, 1914-1918--Germany.
Princeton subject headings:
Education and state--Germany--History--20th century.
German language--Study and teaching--Germany (West)--Hannover.
World War, 1914-1918--Germany--Propaganda.