Rudolf Schönwald : Zeichnungen, Druckgraphik, 1950-1970.
Schönwald, Rudolf,1928-
Freundeskries Bildender Künstler "Palette.".
[Freiburg i. Br., Freundeskreis Bildender Künstler "Palette,"
1970]
Catalog of the exhibition held May 2-24, 1970 at the Stadthalle Freiburg im Breisgau.
Schönwald, Rudolf, 1928-