XCF29426:
The Virgin and Child with Saint Anne, and the Infant Saint John the Baptist, c.1499-1500 (charcoal heightened with white chalk on paper, mounted on canvas), Vinci, Leonardo da (1452-1519) / Bridgeman Images
JLJ4647230:
Flying machines, one of the first drawings of a helicopter-like flying machine, c. 1487 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
FTB165448:
Study of the Flowers of Grass-like Plants (Briza Maxima) c.1481-83 (pen and ink on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
CH15834:
Studies of the Illumination of the Moon, fol. 1r from Codex Leicester, c.1506-08 (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
BAL99053:
Detail of the Heads of the Virgin and St. Anne, from The Virgin and Child with SS. Anne and John the Baptist, c.1499 (charcoal and white chalk on paper, mounted on canvas), Vinci, Leonardo da (1452-1519) / Bridgeman Images
FAF271497:
MS B 2173 fol. 83v Studies of an air screw, 1488-90 (pen and ink on paper) (see also 162317), Vinci, Leonardo da (1452-1519) / 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) / 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) / Bridgeman Images