Hieronymous Wierix, Circumcision, before 1573, Engraving print in black ink on off-white antique laid paper, darkened and soiled, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/250377 Antonis Mor, Portrait of a Gentleman, 1569, oil on canvas, National Gallery of Art, Washington. https://dartabase.art/cite/nga/59 Netherlandish 16th Century, The Masquerade of Ourson and Valentin, 1566, woodcut, National Gallery of Art, Washington. https://dartabase.art/cite/nga/730 Abraham de Bruyn, Venus, 1569, etching and engraving on laid paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/5287 Cornelis Cort, The Triumph of the World, 1564, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/5328