Williamson, Jessie <br/><br/>
Useful plants of Nyasaland  Jessie Williamson, edited by P.J. Greenway. 

 - Zomba  The Government Printer  1939 
 - 168p., illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany economic.
<br/><br/><label>Dewey Class. No.: </label>581.60968  / W53U