A. G. (Alfred Gottlieb) 1880-19 Hammar profile picture

A. G. (Alfred Gottlieb) 1880-19 Hammar

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The Grape Root-Worm With Special Reference to Investigations in the Erie Grape Belt from 1907 to 1909; Volume New Ser. : No. 89
The Grape Root-worm With Special Reference to Investigations in the Erie Grape Belt From 1907 to 1909; Volume New Ser.: No.89