1921 Sudetendeutsche Künstler [Sudeten German Artists] 1926 Boris D. Grigoriev (107th Exhibition of the Mánes Fine Arts Association)
1928 The Junge Kunst Group 1930 International Art Exhibition in Karlovy Vary 1930
1931 Eugen Kahler – Life’s Work 1934 Exhibition of Moravian-Silesian Artists
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