René Magritte, Perspective, (1963), Crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36809

Victor Servranckx, Composition, c. 1927, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37699

Peter Paul Rubens, The Garden of Love (left portion), c. 1633–35, Pen, brown ink, brush and gray-green wash over traces of black chalk, touched with indigo, green, yellowish, and white paint, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334653

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

René Magritte, The Thought Which Sees, 1965, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35714

Roél d'Haese, [Untitled], 1959, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33976

Marcel Broodthaers, "M.B. M.B. M.B....", 1970, Ink on paper in artist's frames, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37802

Théo van Rysselberghe, Self-Portrait, (1888–89), Pastel and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35486

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

Omar Rayo, Free-Fall, 1966, Charcoal and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37080

George Minne, Kneeling Youth, 1896, dated 1905, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36048

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

Fernando Botero, Woman in a Bathtub, 1974, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34215

Roél d'Haese, [Untitled], 1959, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33963

Georges Lemmen, Farmhouse in Flanders, 1890, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34891

Peter Paul Rubens, Susanna, 1577, Pen and brown ink, brush and brown wash, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334709

Fernando Botero, Painter of Still Lifes, 1975, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37120