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  1. By: Cummins, George B. (George Baker), - Stevenson, John A. (John Albert), - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1956.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Sprague, Roderick, - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1955.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: United States. Plant Disease Epidemics and Identification Section. - American Phytopathological Society.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1956.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Kimmey, James W. - Stevenson, John A. (John Albert), - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1957.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: Cummins, George B. (George Baker), - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1956.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1955.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1956.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1957.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  9. By: Litzenberger, Samuel C. (Samuel Cameron), - Stevenson, John A. (John Albert), - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1957.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1957.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  11. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1954.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  12. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1955.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  13. By: Nance, Nellie W. - United States. Plant Disease Epidemics and Identification Section.
    Publication info: Beltsville, Md. :Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture,1956.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library