Columbia subject headings:
Documentary films--Germany (East)--History and criticism.
Staatliches Filmarchiv der DDR.
Harvard subject headings:
Film archives--Germany (East)--History--Congresses.
Motion picture film collections--Germany (East)--History--Congresses.
Motion picture film--Preservation--Germany (East)--History--Congresses.
Motion pictures--Germany (East)--History--Congresses.
Staatliches Filmarchiv der DDR--Congresses.
Princeton subject headings:
Documentary films--Germany (East)--History and criticism.
Staatliches Filmarchiv der DDR.