da Vinci, d8.1..11.10 <br/><br/>
Leonardo da Vinci :  life and work, paintings and drawings / 
[by] Ludwig Goldscheider ; with the Leonardo biography by Vasari, 1568. Newly annotated. 
 - [7th. ed]. 
 - London :  Phaidon Press,  [c1964] 
<br/><br/>Bibliography: p. 188-191. 
<br/><br/><label>LCCN: </label>59065146