Self-Portrait, 1905 Oil on canvas, National Gallery, Prague

The Wave, 1902 Gouache and watercolor on cardboard,

The Way of Silence I, c.1903 Oil on pasteboard, 23 x 27 in // National Gallery, Prague

The Way of Silence II, 1903 Color etching, drypoint, aquatint and roulette, 13 7/16 x 13 11/16 in // Minneapolis Institute of Art

Music, 1936 Oil on canvas, 37 x 33 1/2 in // Georges Pompidou Center, Paris