Whetzel, Herbert Hice,  1877-1944. <br/><br/>
The diseases of ginseng and their control. 
By H.H. Whetzel ... and J. Rosenbaum ... 
 - Washington,  Govt. Print. Off.,  1912. 
 - 44 p.  illus., xii pl. on 6 l.  23 cm. 
 - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin  no. 250 .
 - Bulletin (United States. Bureau of Plant Industry) ;  no. 250. .
<br/><br/><label>LCCN: </label>agr12000783  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ginseng--Diseases and pests.
<br/><br/><label>LC Class. No.: </label>QK1  / .U45 no. 250