Johnson, Fred 4n books & textbook
The Grape Root-worm: With Special Reference to Investigations in the Erie Grape Belt From 1907 to 1909; Volume new ser.: no.89
Johnson, Fred 4n Hammar, A G (Alfred Gottlieb) 1880-19
Wentworth Press /2016-08-26 Paperback / 126 Pages
isbn-10: 136272341X / isbn-13: 9781362723417
