František Kupka, Girl with a Ball, c. 1908, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37352 Stanislav Kolibal, [Untitled], (1975), Ballpoint pen and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34553 Stanislav Kolibal, [Untitled], (1975), Ballpoint pen and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34568 Peter Booth, [Untitled], 1984, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35653 Alphonse Mucha, Rocks on the Shore, n.d., Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36941 Brett Whiteley, Deya, Mallorca Day, (1967), Ink, cut paper, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35073 Peter Booth, [Untitled], 1984, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35676 František Kupka, Bather, (1906), Pastel and charcoal on gray paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37271 Colin Lanceley, Siegfried, 1967, Ink and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38826 František Kupka, Study in Verticals (The Cathedral), (1912), Pastel on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34122 Peter Booth, [Untitled], 1984, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35643 Alphonse Mucha, Head of a Child, (n.d.), Pencil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36948 Peter Booth, [Untitled], 1986, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35634