Grasshopper control : a radio talk by Dr. W.H. Larrimer, Chief, Bureau of Entomology, U. S. Department of Agriculture

Author: Larrimer, W. H. (Walter Harrison), - United States. Bureau of Entomology. - WRC (Radio station : Washington, D.C.)
Publisher: Washington DC,United States Department of Agriculture, Bureau of Entomology 1930

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