Gian Lorenzo Bernini, Sketches for a Wall Tomb with Skeletons, 1630–40, Pen and brown ink over black chalk (recto); black chalk (verso), The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334681

Bartolomeo Coriolano, Virgin and Child, 1630, chiaroscuro woodcut, National Gallery of Art, Washington. https://dartabase.art/cite/nga/5991

Bernardo Strozzi, Allegorical Figure, c. 1635, black chalk with red chalk , Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/130937