Patricia Johanson, Leaf Fountain / 3/8 Phyllotaxy, 1974, Ink, charcoal, and pencil on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37916

Patricia Johanson, Gila Monster - Shadow House - Plan, 1978, Ink, charcoal, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38293

Patricia Johanson, Gila Monster - Shadow House - Translation of Pattern to Hypothetical Facade, 1978, Ink, charcoal, and conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38295