Jan J. Schoonhoven, T76 M2, 1976, Felt-tip pen and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34182

Adolph von Menzel, Head of a Bearded Man, 1884, Graphite, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334928

Adolph von Menzel, Doctor and Patient, 1899, Graphite, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334927

Rembrandt van Rijn, Angel Standing, c. 1637/1639, pen and brown ink over traces of charcoal on laid paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1839

Roelant Roghman, A View of Cronesteyn Castle, near Leiden, 1646–1647, Gray wash, black chalk and graphite on cream antique laid paper, framing lines in brown ink, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/4726

Chris Hendrik Beekman, Composition, 1916, Pastel and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38177

Karel Appel, Beast, 1956, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32981

Gerrit Adriaensz Berckheyde, Seated Young Woman, 17th century, Red chalk; framing lines in black chalk, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334773

Govaert Flinck, Saskia, 1615, red chalk on laid paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1852

Karel Appel, [Untitled], 1959, Crayon on paper (recto); pencil on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37614

Ferdinand Bol, Rembrandt van Rijn, c. 1640, chalk, pen and ink, brush and wash on sheet trimmed with gold paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/4647

Piet Mondrian, Church Facade 6, 1915, dated 1912, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34630

Jacob Matham, Martyr with an Angel, 1571, pen and brown ink with brown-gray wash over black chalk, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8793

Theo van Doesburg, Composition, 1917, dated 1915, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37350

Theo van Doesburg, Study for Composition (The Cow), 1917, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33340

Wobbe Alkema, [Untitled], 1928, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38167

Adolph von Menzel, Woman with a Crushed Velvet Hat, 1894, Graphite, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334929

Wobbe Alkema, [Untitled], 1928, Ink, cut-and-pasted newspaper, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38165

Pat Andrea, Study for Metermaid, 1968, Colored pencil, pencil, and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35811

Friedrich Vordemberge-Gildewart, Intimately Silvered, (1923), Pencil and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33446

Piet Mondrian, Chrysanthemum (recto) and Head in Profile (verso), 1906, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34486

Nicolaes Berchem, Animal Studies, mid-17th–late 17th century, Red chalk, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334683

Wobbe Alkema, [Untitled], 1928, Ink, cut-and-pasted colored paper, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38169

Piet Mondrian, Landzicht Farm: Compositional Study, c. 1905, Fabricated charcoal on blue laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/88464