Jean Baptiste Camille Corot, Standing Male Nude, 1843, Graphite, with stumping, on greenish ivory laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/203630 Eugène Delacroix, The Triumph of Genius over Envy, c. 1849–51, Pen and brown ink over graphite on laid paper, mounted on cardboard, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334755 William Callow, St Paul, Antwerp, 1844, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00152 Auguste Lepère, Arrivee au Marche, 1849, black chalk on two sheets of laid paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8399 William Callow, Frauenkirche, Nuremberg, 1846, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00132 Friedrich Overbeck, The Lamentation, 1840–45, Graphite partly worked over with pen and black ink and heightened with white; graphite framing line, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334934 William Callow, Rotterdam, 1845, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00150 William Callow, Frankfurt, 1846, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00141 William Callow, Namur, 1844, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00151 William Callow, Haupt Markt and St Sebald, Nuremberg, 1846, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00138 William Callow, Innsbruck, 1846, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00156 William Callow, Botzen, 1846, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00155 William Callow, St Michael and Belfry, Ghent, 1844, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00154 William Callow, Frankfurt, 1840, Graphite on paper, Tate, London. https://dartabase.art/cite/tate/A00131 Eugène Delacroix, Arch of Morning Glories, Study for "A Basket of Flowers", 1848–49, Pastel on blue paper, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334749