Federico Barocci, Aeneas Saving Anchises at the Fall of Troy, 1587–88, Pen and brown ink, brush and brown wash and yellow gouache heightened with traces of white, over black chalk, with stylus (banister); framing lines in pen and brown ink, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/136390

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

Bartolomé Esteban Murillo, Madonna Nursing the Christ Child, c. 1670–72, pen and brown ink and brush and brown wash over red and black chalk, with traces of white; framing lines in pen and brown ink, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/144216