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  1. By: Humphrey, H. B. (Harry Baker), - Wood, Jessie I. - United States. Division of Mycology and Disease Survey.
    Publication info: [Washington, D.C. :Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture],1935.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Humphrey, H. B. (Harry Baker), - Kempton, F. E. (Forrest Ellwood), - United States. Bureau of Plant Industry. Office of Cereal Crops and Diseases.
    Publication info: [Washington, D.C.] :[U.S. Dept. of Agriculture, Bureau of Plant Industry, Office of Cereal Crops and Diseases],[1923?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Humphrey, H. B. (Harry Baker), - Kempton, F. E. (Forrest Ellwood), - United States. Bureau of Plant Industry. Office of Cereal Crops and Diseases.
    Publication info: [Washington, D.C.] :[U.S. Dept. of Agriculture, Bureau of Plant Industry, Office of Cereal Crops and Diseases],[1924?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Woolman, Horace Mann, - Humphrey, H. B. (Harry Baker),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1924.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: Humphrey, H. B. (Harry Baker),
    Publication info: Washington, D.C. :The Academy,1908.
    Holding Institution: Smithsonian Libraries
  6. By: Woolman, Horace Mann, - Humphrey, H. B. (Harry Baker),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1924.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library