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

Rodolfo Abularach, [Untitled], 1960, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33940

Rodolfo Abularach, A Head for Ixtab, 1958, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37528

Alphonse Mucha, Rocks on the Shore, n.d., Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36941

František Kupka, Bather, (1906), Pastel and charcoal on gray paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37271

Carlos Mérida, Tempo in Red Major, 1942, Crayon on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37921

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

Rodolfo Abularach, [Untitled], 1964, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37406

Alphonse Mucha, Head of a Child, (n.d.), Pencil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36948