Laan, H. L. van der. <br/><br/>
The Sierra Leone diamonds :  an economic study covering the years 1952-1961 / 
[by] H.L. Van der Laan. 
 - [London] :  Oxford University Press,  1965. 
<br/><br/>Bibliography: p. [225]-228. 
<br/><br/><label>LCCN: </label>65009810 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diamonds.<br/>Diamond mines and mining -- Sierra Leone.--Diamond mines and mining -- Sierra Leone.<br/>Industries -- Sierra Leone.--Industries -- Sierra Leone.
<br/><br/><label>LC Class. No.: </label>HD9677.S52  / L3