[TROIS OUVRAGES CONSACRES A LEONARD DE VINCI A WINDSOR CASTLE] -- CLARK, Kenneth. The drawings of Leonardo da Vinci in the collection of Her Majesty the Queen at Windsor Castle. London : Phaidon, 1968. 2 vol. -- CLARK, Kenneth. Leonardo da Vinci - Anatomical Drawings at Windsor Castle. London : Phaidon, 1969. (3)