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  1. By: Roark, R. C. (Ruric Creegan) - Keenan, George Lawrence,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Daisies  Insecticides  Pyrethrum (Insecticide)  
  2. By: Abbott, W. S. (Walter Sidney),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Pyrethrum (Insecticide)  
  3. By: Roark, R. C. (Ruric Creegan) - Keenan, George Lawrence,
    Edition: Rev. May 1923.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1923
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Daisies  Insecticides  Pyrethrum (Insecticide)  
  4. By: Bishopp, F. C. (Fred Corry), - United States. Bureau of Entomology. - WRC (Radio station : Washington, D.C.)
    Publication info: [Washington, D.C.], [United States Department of Agriculture, Bureau of Entomology], [1931]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Mosquitoes  Pyrethrum (Insecticide)  Radio scripts  United States  
  5. By: United States. Department of Agriculture. Office of Information.
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, Office of Information, Press Service, 1948
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases and pests  Pyrethrum (Insecticide)  Storage  Tobacco  
  6. By: Tenhet, Joseph N. (Joseph Nesbitt), - United States. Office of Experiment Stations.
    Publication info: [Washington, D.C.], [U.S. Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine], [1949]
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Cigarette beetle  Control  Diseases and pests  Flue-cured tobacco  Pyrethrum (Insecticide)  Southern States  Testing  Tobacco moth  
    BHL Collections: Expanding Access to Biodiversity Literature