ROC5934186: Recto: The stomach, and the heart, c.1508 (pen & ink on paper) (recto of 5934187), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC828804: Head of a dog, c.1497 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5892750: Recto: Studies of the scapular, neck, and pelvic vessels, c.1508 (pen & ink over black chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC3706031: Page 19 from An Inventory of all His Majesties pictures in Whitehall. With: An Inventory of all His Majesties pictures in Hampton-Court, c.1666-7 (pen & ink on paper), English School, (17th century) / Royal Collection Trust / Bridgeman Images

ROC5907185: Recto: A study of the tendons of the foot, etc., c.1508 (pen & ink over traces of black chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC3619114: Miscellaneous studies, including a nymph, a wolf, a flying putto, machines, and drapery, c.1490 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5907186: Verso: Notes on the tongue, speech, languages, alchemy, etc. c.1508 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5044308: Pictographs, c.1487-90 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

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) / Royal Collection Trust / Bridgeman Images

ROC700112: Notes on the death of a centenarian, c.1508, Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC441162: Horses' fore-legs, including one raised and bent, c.1517 (black chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5907193: A deluge, c.1517-18, (chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / 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) / Royal Collection Trust / Bridgeman Images

ROC443652: A portrait of Leonardo, a head of a man, and horse' fore-leg, c.1517-18 (pen & ink over chalk on paper), Vinci, Leonardo da (1452-1519) (studio of) / Royal Collection Trust / Bridgeman Images

ROC3964220: The Chateau of Amboise, c.1517-19 (chalk on paper), Vinci, Leonardo da (1452-1519) (studio of) / Royal Collection Trust / Bridgeman Images

ROC427436: Bust of a man with flowing hair in profile, c.1510-20 (red chalk on paper), Vinci, Leonardo da (1452-1519) (after) / Royal Collection Trust / Bridgeman Images

ROC399249: St. Jerome, c.1490 (metalpoint, ink & heightening on paper), Vinci, Leonardo da (1452-1519) (circle of) / Royal Collection Trust / Bridgeman Images

ROC399245: The head of a young woman looking down, c.1490-1500 (metalpoint & wash on paper), Boltraffio, Giovanni Antonio (1467-1516) (follower of) / Royal Collection Trust / Bridgeman Images

ROC5902890: Gobelet litron, early 19th century (soft paste porcelain, dark blue ground and gilded decoration), Sèvres Porcelain Manufactory (1756-present) / Royal Collection Trust / Bridgeman Images

ROC3619113: The head of a grotesque animal, c.1490-95 (pen & ink on paper), Vinci, Leonardo da (1452-1519) (studio of) / Royal Collection Trust / Bridgeman Images

ROC3619112: Two heads of grotesque animals, c.1490-95 (pen & ink on paper), Vinci, Leonardo da (1452-1519) (after) / Royal Collection Trust / Bridgeman Images

ROC5902892: Gobelet litron, early 19th century (soft paste porcelain, dark blue ground and gilded decoration), Sèvres Porcelain Manufactory (1756-present) / Royal Collection Trust / Bridgeman Images