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

Giovanni Battista Tiepolo, Seated River God, Nymph with an Oar, and Putto, 1696–1770, Pen and brown ink, brush with pale (yellow) and dark brown wash, over black chalk, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334651

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

Guercino (Giovanni Francesco Barbieri), Landscape with Six Figures, 1750–80, Pen and brown ink and brush and dark brown ink, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334788

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