XAL55519: Portrait of Luca Pacioli (c.1445-c.1514) 1495 (oil on panel), Barbari, Jacopo de' (1440/50-a.1515) / Museo di Capodimonte, Naples, Campania, Italy / Bridgeman Images

XIR161994: Head of a woman (metal point heightened with gouache), Vinci, Leonardo da (1452-1519) (school of) / Musee Bonnat, Bayonne, France / Bridgeman Images

ROC412172: Studies of flowing water, with notes, c.1510-13 (pen & ink of black chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XIR68213: La Fornarina, c.1516 (panel), Raphael (Raffaello Sanzio of Urbino) (1483-1520) / Palazzo Barberini, Gallerie Nazionali Barberini Corsini, Rome, Italy / Bridgeman Images

ROC399287: Studies of the foetus in the womb, c.1510-13 (pen & ink with wash over red and black chalks on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XOT361882: Self portrait, c.1512 (red chalk on paper), Vinci, Leonardo da (1452-1519) / Biblioteca Reale, Turin, Piedmont, Italy / Bridgeman Images

BEN85540: Head of Christ (pencil and wash), Vinci, Leonardo da (1452-1519) / Pinacoteca di Brera, Milan, Italy / Bridgeman Images

XOS741921: Ginevra de' Benci, c. 1474- 78 (oil on panel), Vinci, Leonardo da (1452-1519) / National Gallery of Art, Washington DC, USA / Bridgeman Images

XJF308762: Detail of a design for a flying machine, c.1488 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Bibliotheque de l'Institut de France, Paris, France / Bridgeman Images

XIR183793: Mona Lisa, detail of her hands, c.1503-06 (oil on panel), Vinci, Leonardo da (1452-1519) / Louvre, Paris, France / Bridgeman Images

XIR79509: The Battle of Anghiari after Leonardo da Vinci (1452-1519), Rubens, Peter Paul (1577-1640) / Louvre, Paris, France / Bridgeman Images

BAL451831: The Last Supper, 1495-97 (fresco) (post restoration), Vinci, Leonardo da (1452-1519) / Santa Maria delle Grazie, Milan, Italy / Bridgeman Images

ROC437791: The principal organs and vessels of a woman, c.1510 (pen & ink with chalk & wash on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XAL152192: Arno Landscape, 5th August, 1473 (pen and ink on paper), Vinci, Leonardo da (1452-1519) / Galleria degli Uffizi, Florence, Tuscany, Italy / Bridgeman Images

BAL230518: The Last Supper, 1495-97 (fresco) (post restoration), Vinci, Leonardo da (1452-1519) / Santa Maria delle Grazie, Milan, Italy / Bridgeman Images

XIR181256: Head of the Saviour (oil on panel), Vinci, Leonardo da (1452-1519) / Museo Lazaro Galdiano, Madrid, Spain / Bridgeman Images

ROC408310: Cats, lions and a dragon, c.1513-16 (pen & ink with wash over blue chalk), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XIR77991: Portrait of Isabella d'Este (1474-1539) (red chalk & pierre noire on paper), Vinci, Leonardo da (1452-1519) / Louvre, Paris, France / Bridgeman Images

STC1275156: The Proportions of the human figure (after Vitruvius), c.1492 (facsimile), Vinci, Leonardo da (1452-1519) (after) / Private Collection / Bridgeman Images

ROC408312: Star of Bethlehem, wood anemone and sun spurge, c.1505-10 (pen & ink with red chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

ROC399267: The muscles of the shoulder, c.1510 (pen & ink with wash over black chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

CHT164556: The Heart, facsimile of the Windsor book (pen and ink on paper), Vinci, Leonardo da (1452-1519) (after) / Bibliotheque des Arts Decoratifs, Paris, France / Bridgeman Images

XCF259748: Detail of the Angel, from The Virgin of the Rocks (The Virgin with the Infant St. John adoring the Infant Christ accompanied by an Angel), c.1508 (oil on panel), Vinci, Leonardo da (1452-1519) / National Gallery, London, UK / Bridgeman Images

LRI4572895: The Annunciation, c.1475 (oil and tempera on wood), Vinci, Leonardo da (1452-1519) / Galleria degli Uffizi, Florence, Tuscany, Italy / Bridgeman Images

LRI4575793: Presumed Self-portrait (Lucan portrait of de Vinci) - tempera on panel, 1490-1500, Vinci, Leonardo da (1452-1519) / Galleria degli Uffizi, Florence, Tuscany, Italy / Bridgeman Images

XOT362326: The Baptism of Christ by John the Baptist, c.1475 (oil on panel), Verrocchio, Andrea (1435-88) & Vinci, Leonardo da(1452-1519) / Galleria degli Uffizi, Florence, Tuscany, Italy / Bridgeman Images

XOT366470: Model reconstruction of da Vinci's design for an aerial screw (wood, cloth and string), Vinci, Leonardo da (1452-1519) (after) / Private Collection / Bridgeman Images

BAL230519: The Last Supper, 1495-97 (fresco) (post restoration), Vinci, Leonardo da (1452-1519) / Santa Maria delle Grazie, Milan, Italy / Bridgeman Images

XOS702752: Profile of a Young Fiancee (Chalk, pen, ink and wash tint on vellum), Vinci, Leonardo da (1452-1519) / Private Collection / Bridgeman Images

LRI4572901: Saint Jerome, c.1480 (oil on wood), Vinci, Leonardo da (1452-1519) / Pinacoteca Vaticana, Rome, Italy / Bridgeman Images

XIR419685: Mona Lisa, c.1503-6 (oil on panel), Vinci, Leonardo da (1452-1519) / Louvre, Paris, France / Bridgeman Images

XIR181227: Drapery study for a Seated Figure, c.1475-80 (canvas), Vinci, Leonardo da (1452-1519) / Louvre, Paris, France / Bridgeman Images

ROC399219: A plan of Imola, 1502 (pen & ink, wash and chalk on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XIR161995: Study of a child's head (red chalk heightened with white on paper), Vinci, Leonardo da (1452-1519) / Musee des Beaux-Arts, Caen, France / Bridgeman Images

ROC441167: A skull sectioned, 1489 (pen & ink over black chalk on paper) (recto of 3740758), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XIR148775: Francis I (1494-1547) Receives the Last Breaths of Leonardo da Vinci (1452-1519) 1818 (oil on canvas), Ingres, Jean Auguste Dominique (1780-1867) / Musee de la Ville de Paris, Musee du Petit-Palais, France / Bridgeman Images