Columbia subject headings:
Authors, German--20th century--Exhibitions.
Koeppen, Wolfgang, 1906-1996--Exhibitions.
Stadtbibliothek München--Exhibitions.
Harvard subject headings:
Authors, German--20th century--Exhibitions.
Koeppen, Wolfgang, 1906-1996--Exhibitions.
Stadtbibliothek München--Exhibitions.
Princeton subject headings:
Koeppen, Wolfgang, 1906-1996--Exhibitions.