Diseases of plants in the United States in 1933 - Humphrey, H. B. (Harry Baker),; Wood, Jessie I.; United States. Division of Mycology; Disease Survey. ([Washington, D.C, Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture], 1935)
https://www.biodiversitylibrary.org/bibliography/85538
Keywords: Crop losses|Plant diseases|United States|