Tom Wesselmann, Final study for Little Still Life No. 13, 1963, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37850

Tom Wesselmann, Study for Mouth, 8, 1966, Acrylic and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33317

Tom Wesselmann, Study for Smoker, 4 (Mouth, 18), 1968, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35527

Tom Wesselmann, Study for Still Life, 61, 1975, Acrylic and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35093