Search results for: Gregg, Robert E. (Robert Edmond), 1912-1991

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  1. 1

    The ants of Colorado with reference to their ecology, taxonomy, and geographic distribution.

    Authors: Gregg, Robert E. (Robert Edmond), 1912-1991
    Published: University of Colorado Press, 1963
    Physical Description: xvi, 792 pages : illustrations, maps (1 folded color), tables ; 24 cm
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  2. 2

    Insect friends and enemies

    Authors: Parker, Bertha Morris
    Published: Row, Peterson, 1941
    Other Authors: “…Gregg, Robert E. (Robert Edmond), 1912-1991…”
    Physical Description: 36 pages : illustrations.
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