Marsh, Harold Oscar,  1885-1918. <br/><br/>
The horse-radish webworm. [Plutella armoracia Busek] 
By H.O. Marsh ... 
 - Washington,  Govt. Print. Off.,  1913. 
 - iii p., p. 71-76.  illus.  23 cm. 
 - United States. Dept. of Agriculture. Bureau of Entomology. Bulletin  no. 109, pt. VII. Papers on insects affecting vegetables .
<br/><br/><label>LCCN: </label>agr13000083  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Horse-radish web-worm.
<br/><br/><label>LC Class. No.: </label>SB823  / .A2 no. 109 pt. vii