George Condo, [Untitled], 1985, Charcoal, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35606

George Condo, [Untitled], 1989, Pastel and charcoal on brown paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35614