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  1. Injurious and beneficial insects of California. / By E. O. Essig.
    By: Essig, E. O. - California. - Metcalf Collection (North Carolina State University).
    Edition: 2d ed.
    Publication info: Sacramento,California state printing office,1915
    Contributed by: NCSU Libraries (archive.org)
    Subjects: California  Insect pests  State Commission of Horticulture  
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  2. Injurious and beneficial insects of California. / By E. O. Essig.
    By: California. - Essig, E. O.
    Edition: 2d ed.
    Publication info: Sacramento,California state printing office,1915
    Contributed by: Smithsonian Libraries
    Subjects: Beneficial insects  California  Insect pests  State Commission of Horticulture  
    BHL Collections: Smithsonian Institution Libraries
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  3. Library catalogue by B.M. Lelong.
    By: California. - Lelong, B. M.
    Publication info: Sacramento :A.J. Johnston, Supt. State Printing,1892.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Bibliography  California  Fruit-culture  Library  Microform catalogs  State Commission of Horticulture  
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