MEV5046803: Codex Atlanticus, sheet 806 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / 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) / Royal Collection Trust / Bridgeman Images

ROC5674271: Recto: The ventricles, papillary muscles and tricuspid valve, c.1511-13 (pen & ink on blue paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC3899941: Recto: Notes on the muscles of the mouth, c.1508 (pen & ink with with faint traces of black chalk on paper) (recto of 3899942), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

MEV5046629: Codex Atlanticus, sheet 719 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045368: Codex Atlanticus, sheet 93 verso, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045372: Codex Atlanticus, sheet 95 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045242: Codex Atlanticus, sheet 37 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

ROC3823036: Recto: Studies of human proportion, c.1490 (pen & ink on paper) (recto of 3823037), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5044309: Pictographs, c.1487-90 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC700107: The bones and nerves of the arm, c.1485-90 (metalpoint and pen & ink on blue-grey paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC876574: Studies of the vessels of the body, and of staircases, c.1506-10 (pen & ink with red chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

MEV5045961: Codex Atlanticus, sheet 389 verso, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046021: Codex Atlanticus, sheet 419 verso, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047034: Codex Atlanticus, sheet 921 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046969: Codex Atlanticus, sheet 888 verso, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045464: Codex Atlanticus, sheet 141 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045478: Codex Atlanticus, sheet 148 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045494: Codex Atlanticus, sheet 156 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045414: Codex Atlanticus, sheet 116 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045802: Codex Atlanticus, sheet 310 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

ROC5892724: The anatomy of a monkey's (?) neck, and the elevation of a column, c.1485-88 (pen & ink over metalpoint on pale blue prepared paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

LLM2782720: King Francis I of France visiting Leonardo da Vinci at Clos Luce (chromolitho), European School, (19th century) / Private Collection / Bridgeman Images

ROC5676223: Verso: Casting studies, and lines of poetry, c.1492-93 (pen & ink on paper) (verso of 5676222), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5906642: The fall of light on a face, c.1488 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC5907190: An ox and ass, and other studies of asses, c.1478-80 (leadpoint, pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

MEV5048012: Old Man in Profile, Vinci, Leonardo da (1452-1519) / Pinacoteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045360: Codex Atlanticus, sheet 89 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046034: Codex Atlanticus, sheet 426 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045870: Codex Atlanticus, sheet 344 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

ROC3823037: Verso: A plan and elevation of a domed church, c.1490 (pen & ink on paper) (verso of 3823036), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

STC1275157: The Proportions of the human figure (after Vitruvius), c.1492 (facsimile), Vinci, Leonardo da (1452-1519) (after) / Private Collection / Bridgeman Images

ROC3703892: Studies of a horse, c.1490 (metalpoint on pale buff prepared paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

MEV5046894: Codex Atlanticus, sheet 851 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

TRK879703: Leonardo da Vinci (1452 – 1519). The Madonna of the Carnation. 1478-1480., Vinci, Leonardo da (1452-1519) / Alte Pinakothek, Munich, Germany / Bridgeman Images

ROC1763756: A design for a decorated cuirass, c.1478-80 (black chalk with pen & ink on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images