Ilya Grigorevich Chashnik : Lyucite/1902 - Leningrad/1929 ; watercolors, drawings, reliefs ; november 2, 1979 through march 15, 1980 - Chashnik, Ilya Grigorevich; Hutton, Ingrid; Hutton-Hutschnecker, Leonhard (Hutton Galleries, 1979)