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  1. By: United States. Agricultural Research Service. Crops Research Division.
    Edition: Rev. Oct. 1970.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1970]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Perdue, Robert E. - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, U.S.D.A., Agricultural Research Service, Crops Research Division, 1962
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: United States. Agricultural Research Service. Crops Research Division. - Hanson, A. A. (Angus Alexander), - United States. Agricultural Research Service. Crops Research Division.
    Publication info: [Washington], 1958
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: United States. Agricultural Research Service. Crops Research Division.
    Publication info: [Washington, D.C.], Agricultural Research Service, U.S. Dept. of Agriculture, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: United States. Agricultural Research Service. Crops Research Division.
    Publication info: Washington, U.S. Govt. Print. Off, 1969]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: United States. Agricultural Research Service. Crops Research Division.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1964]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Marsh, Paul B. - Bassler, Loretta M. - Taylor, Eldon E. - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: United States. Agricultural Research Service. Crops Research Division.
    Edition: Slightly rev. Apr. 1958.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1958]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  9. By: United States. Agricultural Research Service. Crops Research Division. - United States. Department of Agriculture.
    Edition: Slightly rev.
    Publication info: Washington, D.C, For sale by the Superintendent of Documents, U.S. Government Printing Office, [1965]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: United States. Agricultural Research Service. Crops Research Division.
    Publication info: Washington, U.S. Govt. Print. Off, 1969]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  11. By: Nance, Nellie W. - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1958
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  12. By: Nance, Nellie W. - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  13. By: Downs, Robert Jack, - Borthwick, H. A. (Harry Alfred), - Piringer, A. A. (Albert A.), - United States. Agricultural Research Service. Crops Research Division.
    Publication info: [Beltsville, Md.], U.S. Dept. of Agriculture, Agricultural Research Service, 1961
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  14. By: Swanson, C. R. - Metabolism and Radiation Research Laboratory (Fargo, N. Dak.) - United States. Agricultural Research Service. Crops Research Division.
    Publication info: [Beltsville, Md.], U.S. Dept. of Agriculture, Agricultural Research Service, 1965
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  15. By: Williams, C. F. (Carlos Frost), - United States. Agricultural Research Service. Crops Research Division. - North Carolina Agricultural Experiment Station.
    Publication info: [1961?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  16. By: Knowles, Paulden F. (Paulden Ford), - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, USDA, ARS, Crops Research Division, 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  17. By: United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  18. By: Nance, Nellie W. - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1958
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  19. By: Parker, K. G. (Kenneth Gardner), - United States. Agricultural Research Service. Crops Research Division.
    Publication info: Beltsville, Md, Crop Research Division, Agricultural Research Service, United States Department of Agriculture, 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  20. By: United States. Agricultural Research Service. Crops Research Division. - United States. Plant Pest Control Division.
    Edition: Rev. [ed.]
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, [1962]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  21. By: United States. Agricultural Research Service. Crops Research Division. - United States. Plant Pest Control Division.
    Edition: Rev. [ed.]
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, [1959]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  22. By: United States. Agricultural Research Service. Crops Research Division.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1961]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library