Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)
Paul Klee (German, 1879 - 1940)
Alvar Cawén (Finnish, 1886 - 1935)
Paul Klee (German, 1879 - 1940)
Tadeusz Makowski (Polish, 1882-1932)
August Babberger (German, 1885 – 1936)
Venny Soldan-Brofeldt (Finnish, 1863-1945)
Adolf Wölfli (Swiss, 1864 – 1930)
Arthur Bowen Davies (American, 1862 - 1928)
Ernst Ludwig Kirchner (German, 1880-1938)
Isaac Grünewald (Swedish, 1889–1946)
Leo Gestel (Dutch, 1881- 1941)
Jindrich Styrsky (Czech, 1899-1942)
Joseph Mallord William Turner (English, 1775-1851)
Carel Adolph Lion Cachet (Dutch, 1864 – 1945)
Marsden Hartley (American, 1877-1943)
El Lissitzky (Russian, 1890-1941)
Giovanni Giacometti (Swiss, 1868–1933)
Arthur Dove (American, 1880-1946)
Paul Klee (German, 1879 - 1940)
Nils Dardel (Swedish, 1888-1943)
Tadeusz Makowski (Polish, 1882-1932)
Juan Gris (Spanish, 1887-1927)
Adriaan van't Hoff (Dutch, 1893-1939)
Anonymous
Karl Wiener (Austrian, 1901-1949)