Ad Reinhardt, Study for a Painting, 1938, Cut-and-pasted printed paper on colored paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37015

Ad Reinhardt, Study for a Painting, 1939, Gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37001

Lee Krasner, Still Life, 1938, Oil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33246

Ad Reinhardt, Study for a Painting, 1939, Gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37010

Ad Reinhardt, Study for a Painting, 1938, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37006

Ad Reinhardt, Study for a Painting, 1938, Gouache and cut-and-pasted paper on colored paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36988

Ad Reinhardt, Study for a Painting, 1939, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36982