Albrecht Dürer, Arm of Eve, 1507, point of brush and gray and black wash, brush and gray and black wash, heightened with white gouache, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/141931

Albrecht Altdorfer, Salome with the Head of St. John the Baptist, c. 1517, pen and brown ink and brush and brown wash and white gouache; framing lines in pen and black ink, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/126219

Albrecht Dürer, Philip Melanchthon, 1526, Engraving in black on ivory laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/4115

Albrecht Dürer, Melencolia I, 1514, engraving, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/108501

Albrecht Dürer, Ulrich Varnbüler, 1522, printed c. 1620, Woodcut in black on ivory laid paper with added brown and sepia tone blocks, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/36035

Stefan Lochner, The Virgin Crowned by Angels, c. 1450, oil on wood, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/143761

Albrecht Dürer, Erasmus of Rotterdam, 1526, Engraving in black on ivory laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/4118