Parri Spinelli, Navicella (recto), c. 1410s, pen and brown ink (iron gall), Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/136899

Michelangelo Buonarroti, Study for the Nude Youth over the Prophet Daniel (recto); Figure Studies for the Sistine Ceiling (verso), 1510–11, red chalk over black chalk or charcoal, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/119614

Giovanni Francesco Rustici, Model for a Fallen Warrior, c. 1520, wax on a metal armature, mounted on wood, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/139817

Pietro Perugino, Saint Sebastian, c. 1493, metalpoint, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/135407