World's Greatest Scientists-2 : Wright Brothers 

 - Colombo :  M.D. Gunasena & Co. LTD ,  2008 
 - P.32 :  Art ;  C.M.24 
<br/><br/><label>ISBN: </label>978-955-21-1683-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Fiction
<br/><br/><label>Dewey Class. No.: </label>823  / Gun