ROC6166218:
Verso: The principal organs and vessels of a woman (tracing), c.1508-10 (pen & ink on paper) (verso of 6166217), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC480617:
Studies of a landscape with a couple embracing, hydraulics designs and a leg, c.1506-10 (pen & ink with black chalk on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
BAT377181:
Notes on the Changes of Direction in Flight, manuscript page from Codici Rari III 35.2, fol. 10v from Treatise on the Flight of Birds, 1505 (pen and ink on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
GIA4794248:
Study for a war machine Escorpio by Leonard de Vinci (Leonardo da Vinci) (1452 - 1519). Drawing with pen and ink., Vinci, Leonardo da (1452-1519) / Bridgeman Images