Search results for: Robertson, O. T. (Oris T.), 1905-

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  1. 1

    Kill of pink bollworms in the cotton gin and the oil mill

    Authors: Robertson, O. T. (Oris T.), 1905-
    Published: U.S. Department of Agriculture, For sale by the Superintendent of Documents, U.S. Government Printing Office, 1959
    Physical Description: 22 pages : illustrations ; 24 cm.
    Government Document Book
  2. 2

    Pink bollworm kill with improved gin equipment

    Published: Agricultural Research Service, U.S. Department of Agriculture, U.S. Government Printing Office, 1963
    Other Authors: “…Robertson, O. T. (Oris T.), 1905-…”
    Physical Description: iv, 8 pages : illustrations ; 24 cm.
    Government Document Book