Heydenreich, Ludwig H. <br/><br/>
Leonardo the Inventor 

 - London:  Hutchinson,  1981. 
 - 192p.;  21cm 
<br/><br/><label>ISBN: </label>91426618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biography
<br/><br/><label>Dewey Class. No.: </label>926  / HEY