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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lawson, F. R. - Chamberlin, F. S. (Frank Shirley),
    Publication info: [Washington, D.C.], United States Department of Agriculture, [1960]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Lawson, F. R. - Chamberlin, F. S. (Frank Shirley), - United States. Department of Agriculture.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Lawson, F. R. - United States. Agricultural Research Service. - North Carolina State College. - North Carolina. Department of Agriculture.
    Publication info: Beltsville, Md, U.S. Dept. of Agriculture, Agricultural Research Service, 1963
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library