Columbia subject headings:
Actresses--Germany--Berlin--Drama.
Berlin (Germany)--Drama.
Blacklisting of entertainers--Germany--Berlin--Drama.
Dissenters--Germany--Berlin--Drama.
Dramatists--Drama.
Feature films--Germany.
Feature films.
Foreign films.
Germany (East). Ministerium für Staatssicherheit--Drama.
Motion pictures, German.
Police patrol--Germany--Berlin--Surveillance operations--Drama.
Police patrol--Surveillance operations--Drama.
Secret service--Germany--Drama.
Harvard subject headings:
Actresses--Germany--Berlin--Drama.
Berlin (Germany)--Drama.
Blacklisting of entertainers--Germany--Berlin--Drama.
Dissenters--Germany--Berlin--Drama.
Dramatists--Drama
Germany (East). Ministerium für Staatssicherheit--Drama.
Police patrol--Germany (East)--Surveillance operations--Drama.
Police patrol--Surveillance operations--Drama.
Princeton subject headings:
Actresses--Germany--Berlin--Drama.
Berlin (Germany)--Drama.
Blacklisting of entertainers--Germany--Berlin--Drama.
Dissenters--Germany--Berlin--Drama.
Drama.
Dramatists--Drama.
Feature films.
Germany (East). Ministerium für Staatssicherheit--Drama.
Police patrol--Germany--Berlin--Surveillance operations--Drama.
Secret service--Germany--Drama.
Video recordings.