Bureau of Entomology and Plant Quarantine's place in forest disease and insect control : at the meeting of the Western Forestry and Conservation Association at Portland, Oregon, December 8-9-10, 1937, published by U.S. Department of Agriculture

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Annen tittel	Bureau of Entomology and Plant Quarantine's place in forest disease and insect control
Utgitt	U.S. Department of Agriculture