PC941827: Amboise: Statue of Leonardo da Vinci (photo), . / Bridgeman Images

ROC487771: A dog's head and chest, and hind-leg, c.1520 (red chalk on paper), Melzi or Melzo, Francesco (1493-1570) (attr. to) / Royal Collection Trust / Bridgeman Images

CHT231132: The Human Foetus in the Womb, facsimile copy (pen & ink on paper), Vinci, Leonardo da (1452-1519) (after) / Bibliotheque des Arts Decoratifs, Paris, France / Bridgeman Images

FAF286168: Battle of Anghiari, c.1560 (oil on canvas), Vinci, Leonardo da (1452-1519) (after) / Palazzo Vecchio (Cappella dei Priori) Florence, Italy / Bridgeman Images

LLM3651524: The Last Supper, St Matthew 26, Verse 17-30 (engraving), Vinci, Leonardo da (1452-1519) (after) / Private Collection / Bridgeman Images

STC740321: Frontispiece, from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (colour litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740328: Pyramis laterata pentagona vacua, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740330: Columna laterata exagona vacua, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740339: C, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740345: I, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740361: Tetraedron planum solidum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740391: Tetraedron abscisum vacuum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740394: Hexaedron planum vacuum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740416: Dodecaedron elevatum vacuum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

LLE5238525: The Last Supper (engraving), Vinci, Leonardo da (1452-1519) (after) / Private Collection / Bridgeman Images

FAF161559: Studies of Heads (pen and ink on paper) (b/w photo), Vinci, Leonardo da (1452-1519) (attr.to) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

CH433432: The Madonna and Child in a landscape (oil on panel), Cleve, Cornelis van (1520-67) / Private Collection / Bridgeman Images

ROC399238: A lily (lilium candidium), c.1475 (pen & ink, wash. chalk and white heightening on paper), Vinci, Leonardo da (1452-1519) (attr.to) / Royal Collection Trust / Bridgeman Images

BMR231135: The Human Head, illustration for 'Divina Proportione' by Luca Pacioli (1445-1517), 1509 (engraving), Vinci, Leonardo da (1452-1519) (after) / Bibliotheque Mazarine, Paris, France / Bridgeman Images

XIR155325: Anatomical Study (pen and ink on paper) (b/w photo), Vinci, Leonardo da (1452-1519) (after) / Louvre, Paris, France / 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

XOT361885: Study of human proportions (pencil on paper), Vinci, Leonardo da (1452-1519) (after) / Private Collection / Bridgeman Images

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

STC740332: Pyramis laterata triangula inequilatera vacua, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740333: Columna rotunda solida, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740348: M, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740354: R, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740358: X, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740360: Illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740411: Icosaedron elevatum vacuum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740325: Pyramis laterata quadrangula vacua, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740327: Pyramis laterata pentagona solida, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740338: B, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740395: Hexaedron abscisum solidum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740396: Hexaedron abscisum vacuum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images

STC740401: Octocedron planum solidum, illustration from 'Divina Proportione' by Luca Pacioli (c.1445-1517), originally pub. Venice, 1509 (litho), Vinci, Leonardo da (1452-1519) (attr.to) / Private Collection / Bridgeman Images