Chalk L. <br/><br/>
Twenty West African timber trees /    
L. Chalk [et al]. 
 - Oxford :   Clarendon Press ,   1933. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees ----West Africa----
<br/><br/><label>Dewey Class. No.: </label>634.96 CHA