Group exhibition
15 May 1917 to 31 July 1917, Zürich
13. Schweizerische Nationale Kunstausstellung
15 May 1917 to 31 July 1917, Zürich15 May 1917 to 31 July 1917, Zürich15 May 1917 to 31 July 1917, ZürichSophie EN
15 May 1917 to 31 July 1917, Zürich
