Petrie A. Roy <br/><br/>
Alexander Graham Bell 

 - Canada    Fitzhenry & Whiteside  1999 
<br/><br/><label>ISBN: </label>978 1 550 41463 9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INVENTORS UNITED STATES BIOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>621 385092 PET