Gelders, Guy <br/><br/>
Monnaie et mouvements monetaires au Congo Belge, de 1920 a 1950 /    
Guy Gelders 
 - Louvain,     1952 
 -   1 pl., ill., tables, diagrs. ;    27 cm. 
<br/><br/>  Note in Philip Powesland's handwriting "N.B. this is not necessarily the final edition of the author's thesis. 23.1.54. P.P." 
<br/><br/>Includes bibliography : p. 99 - 100