
looking back to his early art-student years in Munich [c. 1903/4], when he was standing before the artdeco paintings of Leo Putz and Fritz Erler
undated
Source: Brücke und Berlin: 100 Jahre Expressionismus, Anita Beloubek-Hammer, ed.; Berlin: Nicolaische Verlagsbuchhandlung, Berlin 2005, p. 26 (translation: Claire Louise Albiez https://www.researchgate.net/publication/272168564)