ROC5920192:
Recto: The bust of a man in profile, studies of intertwined oak, and other studies, c.1510 (pen and ink and wash with traces of red and black chalk on paper) (recto of 5920194), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC5863684:
A male nude, and a partial study of the left leg, c.1504-6 (red chalk (partly wetted) on red prepared paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC441196:
Two sketches of nude men seen from the front and behind, c.1506 (pen & ink with black chalk on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
CPH256958:
Page from a notebook showing figures fighting on horseback and on foot (sepia ink on linen paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC700094:
Drawings of blood flow and eddies of blood in the heart, c.1512-13 (pen & ink on blue paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC5674271:
Recto: The ventricles, papillary muscles and tricuspid valve, c.1511-13 (pen & ink on blue paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC3740755:
A study for a Nativity, and architectural studies, c.1485 (metalpoint, much faded, and pen and ink on pale blue prepared paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images