Johnson, Fred. <br/><br/>
Papers on deciduous fruit insects and insecticides.  Vineyard spraying experiments against the rose-chafer in the Lake Erie Valley. 
By FredJohnson ... 
 - Washington,  Govt. print. off.,  1911. 
 - iv p., p. 53-64.  illus., pl. IV-VII.  23 cm. 
 - U.S. Dept. of agriculture. Bureau of entomology. Bulletin  no. 97, pt. III .
<br/><br/><label>LCCN: </label>agr11000734  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rose-chafer.<br/>Grapes--Spraying.
<br/><br/><label>LC Class. No.: </label>SB933  / .U18 no. 97, pt. III