Columbia subject headings:
Motion pictures--Germany (East)--History.
Wintgen, Hans, 1949---Criticism and interpretation.
Harvard subject headings:
Documentary films--Germany (East)--History and criticism.
Germany (East)--In motion pictures.
Wintgen, Hans, 1949---Criticism and interpretation.
Princeton subject headings:
Motion pictures--Germany (East)--History.
Wintgen, Hans, 1949---Criticism and interpretation.