Rembrandt van Rijn, A Bearded Man Wearing a Hat, c. 1655–60, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/127573

Jean de la Huerta, Mourner from the Tomb of John the Fearless and Margaret of Bavaria, 1443–45, salins alabaster, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/119143

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