Adolph von Menzel, Head of a Bearded Man, 1884, Graphite, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334928 František Kupka, Girl with a Ball, c. 1908, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37352 Roberto Matta, Endless Nude, 1938, Pencil and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35068 Adolph von Menzel, Doctor and Patient, 1899, Graphite, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334927 Claudio Bravo, White Package, 1967, Chalk, conté crayon, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38562 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 Ernesto Fontecilla, Boceto para una estatua ecuestre (Sketch for an Equestrian Statue), 1967, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33142 Alphonse Mucha, Rocks on the Shore, n.d., Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36941 Claudio Bravo, The Skull, 1973, Conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35749 Roberto Matta, Condors and Carrion (Condors y carroña), 1941, Pencil and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33401 Adolph von Menzel, Woman with a Crushed Velvet Hat, 1894, Graphite, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334929 František Kupka, Bather, (1906), Pastel and charcoal on gray paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37271 Roberto Matta, [Untitled], 1942, Pencil and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38253 Roberto Matta, [Untitled], 1942, Crayon and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35228 Rodolfo Opazo, [Untitled], 1968, Colored pencil and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38697 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 Alphonse Mucha, Head of a Child, (n.d.), Pencil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36948 Roberto Matta, Fiery Landscape (Paysage Flammifére), 1940, Crayon and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37663 Roberto Matta, Joan of Arc, 1942, Crayon and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36247