Search results for: Keen, F. P. (Frederick Paul), 1890-

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  1. 1

    Insect enemies of California pines and their control

    Authors: Keen, F. P. (Frederick Paul), 1890-
    Published: California Department of Natural Resources, Division of Forestry, 1929
    Physical Description: 113 pages : illustrations ; 23 cm
    Book
  2. 2

    Cone and seed insects of western forest trees

    Authors: Keen, F. P. (Frederick Paul), 1890-
    Published: U.S. Department of Agriculture, 1958
    Physical Description: vi, 168 pages : illustrations ; 23 cm.
    Government Document Book
  3. 3

    Biology and control of the western pine beetle : a summary of the first fifty years of research

    Authors: Miller, John M. (John Martin), 1882-
    Published: U.S. Department of Agriculture, 1960
    Other Authors: “…Keen, F. P. (Frederick Paul), 1890-…”
    Physical Description: vii, 381 pages : illustrations, maps ; 24 cm.
    Book