Ilia Zdanevich, Untitled drawing and manuscript of poem Love on the Decline, 1917, Pen and ink with pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/14219

František Kupka, Composition géométrique (Geometric composition), c.1909–11, Gouache on paper, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/65734