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

Hans Werl, Madonna and Child Enthroned, late 16th–early 17th century, Pen and black ink and brush and gray wash over black chalk, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334698

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