The International who's who. 

 - 51st ed. 
 - London :  Europa Publication Ltd,  1935- 
 - v ;  20 cm. 
<br/><br/> Annual. 
<br/><br/> Closed. 
<br/><br/><label>LCCN: </label>3510257  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliography.