Ludwig Meidner, O Moon Above So Clear!, 1912, Ink, charcoal and opaque watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34554

Ludwig Meidner, Soldier Karl Stein, 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36934

Ludwig Meidner, Portrait of a Soldier, 1918, Black ink and graphite on tan wove paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/4630

Ludwig Meidner, Dr. Wilhelm Valentiner, 1919, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36927

Ludwig Meidner, Curt Valentin, 1923, Crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37095