Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Exhibitions.
Hering, Gerhard F. (Gerhard Friedrich), 1908-1996--Exhibitions.
Theatrical producers and directors--20th century--Germany--Exhibitions.
Princeton subject headings:
Authors, German--20th century--Exhibitions.
Hering, Gerhard F. (Gerhard Friedrich), 1908-1996--Exhibitions.
Theatrical producers and directors--20th century--Germany--Exhibitions.