John D. Graham, Sketchbook, 1935, Spiral-bound sketchbook with pencil, ink, and ballpoint pen, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38640 John D. Graham, Celia, 1944–45, Pencil on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33840 John D. Graham, Portrait of Adolfo Romagniolo, 1944, Pencil and ballpoint pen on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37861 John D. Graham, Sketchbook, 1952–53, Spiral-bound sketchbook with pencil and ballpoint pen, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38645 John D. Graham, Horse, c. 1953, Ink, ballpoint pen, pencil, gouache, and colored pencil on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33944 John D. Graham, Leda #1, 1954, Oil, pencil, colored pencil, and ink on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36530 John D. Graham, Sketchbook, 1955, Spiral-bound sketchbook with ballpoint pen, pencil, and colored pencil, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38648 John D. Graham, Sketchbook, n.d., Spiral-bound sketchbook with pencil and ballpoint pen, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38652