Columbia subject headings:
Harvard subject headings:
Authors, Exiled--20th century--Congresses.
Authors, Exiled--Germany--20th century--Congresses.
Authors, German--20th century--Congresses.
Bilingual authors--History--Congresses.
Expatriate authors--20th century--Congresses.
Expatriate authors--Germany--20th century--Congresses.
Motion picture authorship--History--20th century--Congresses.
Motion pictures, German--History--20th century--Congresses.
Motion pictures--Germany--History--Congresses.
Motion pictures--History--20th century--Congresses.
Screenwriters--History--Congresses.
Princeton subject headings:
Authors, Exiled.
Authors, German--20th century.
Screenwriters--Germany.