Hainsworth, Ernest <br/><br/>
Tea pests and diseases, and their control, with special reference to north east India / 
by Ernest Hainsworth ; foreword by H. H. Mann 
 - Cambridge :  W. Heffer ,  1952 
 - xi, 130 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tea--Diseases and pests