Columbia subject headings:
Harvard subject headings:
France--History--Philosophy.
France--Relations--Germany.
Germany--History--Philosophy.
Germany--Relations--France.
Nationalism--France--20th century.
Nationalism--Germany--20th century.
Princeton subject headings:
France--History--Philosophy.
France--Relations--Germany.
Germany--History--Philosophy.
Germany--Relations--France.
Nationalism--France--20th century.
Nationalism--Germany--20th century.