Biodiversity Heritage Library
By "Johnson, Fred. "
The grape root-worm [Fidia viticida] with special reference to investigations in the Erie grape belt from 1907 to 1909. By Fred Johnson and A.G. Hammar ...
By: Johnson, Fred. - Hammar, Alfred Gottlieb,
Publication info: Washington,Govt. print. off.,1910.
Contributed by: Library of Congress
BHL Collections: Library of Congress