Hewins, Ralph   <br/><br/>
Mr. Five Per Cent :  the biography of Calouste Gulbenkian / 
Ralph Hewins. 
 - London :   Hutchinson,  1957. 
 - xix, 264 pages :   illustrations ;   24 cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Gulbenkian, Calouste Sarkis,  1869-1955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade