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  1. 1
    A system for visually classifying alfalfa flower color /

    Government Document Book
  2. 2
    The classification and grading of cotton /
    by Earle, D. E
    Published 1914

    Government Document Book
  3. 3
    Fungi reported on species of Medicago, Melilotus, and Trifolium /

    Government Document Book
  4. 4
    An annotated list of the important North American forest insects /

    Government Document Book
  5. 5
    Descriptions of types of principal American varieties of cabbage /
    Published 1934

    Government Document Book
  6. 6
    Broomcorn experiments at the United States dry-land field station, Woodward, Okla. /

    Government Document Book
  7. 7
    Cone and seed insects of the Mexican conifers = Insectos de conos y semillas de las coníferas de México /
    Published 1986

    Government Document Book
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