Vallentin, Antonina <br/><br/>
Leonardo da Vinci :  the tragic pursuit of perfection / 
by A. Vallentin; trl. by E.W. Dickes. 
 - New York :  Viking Press,  1938. 
 - XII, 561 p. :  ill. ;  23 cm. 
<br/><br/>Bibl. pp.547-552 Index pp.553-561 
<br/><br/><label>Subjects--Personal Names: </label><br/>Leonardo da Vinci
<br/><br/><label>Subjects--Topical Terms: </label><br/>Art--Italian<br/>Renaissance