Umberto Boccioni, States of Mind: The Farewells, 1911, Charcoal and conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37282 Umberto Boccioni, Study for The Laugh, 1910–11, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38745 Umberto Boccioni, States of Mind: Those Who Stay, 1911, Charcoal and conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37286 Natalia Goncharova, Portrait, c. 1920, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36004 Giacomo Balla, Study for Street Light, (1909), a) Pencil on paper b) Pencil and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38832 Giacomo Balla, Study for Street Light, (1909), Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38831 Umberto Boccioni, Study for Portrait of Ferrucio Busoni, 1916, Pen and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32963 Umberto Boccioni, Study for The City Rises, 1910, Conté crayon, charcoal, and chalk on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36544 Umberto Boccioni, Portrait of a Woman, 1909, Graphite on tan wove paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/153197 Umberto Boccioni, Study for The Laugh, 1910–11, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38744 Umberto Boccioni, Study for The Laugh, 1910, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33025 Umberto Boccioni, Muscular Dynamism, 1913, Pastel and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36344 Umberto Boccioni, Woman's Head, 1909, Graphite, with touches of stumping and scraping on tan wove paper, with pen and black ink ruled lines, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/27358 Natalia Goncharova, Electricity, 1912, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33786 Umberto Boccioni, States of Mind: Those Who Go, 1911, Charcoal and conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37284 Umberto Boccioni, Study for Unique Forms of Continuity in Space, 1913, Pencil on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35681 Natalia Goncharova, [Untitled], c. 1914, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/14270