Columbia subject headings:
Harvard subject headings:
Europe--History--20th century.
Europe--History--Study and teaching--Audio-visual aids.
Europe--History--Study and teaching.
Europe--In motion pictures.
Historical films.
Motion pictures and history.
Princeton subject headings:
Europe--History--20th century.
Europe--History--Study and teaching--Audio-visual aids.
Europe--In motion pictures.
Motion pictures and history.