Vallentin Antonia. <br/><br/>
Leonard da vinci :  the tragic pursuit of perfection. 

 - ed. 
 - New york :  Viking press,  1958. 
 - 561  p. :  ill ;    cm. 
<br/><br/>bibliography,index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>painting.