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  1. The crow in its relation to agriculture : Is it a farm pest? /
    By: Kalmbach, E. R.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1920.
    Contributed by: Cornell University Library
    Subjects: Birds  Crows  Food  
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  2. The crow in its relation to agriculture : Is it a farm pest? / E.R. Kalmbach.
    By: Kalmbach, E. R.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1920.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Birds  Crows  Food  
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  3. Die geographische Verbreitung der echten Raben (Corvinae).
    By: Diederich, Franz,
    Publication info: Gera,T. Hofmann,1889.
    Contributed by: Smithsonian Libraries
    Subjects: Crows  Ravens  
    BHL Collections: Smithsonian Libraries
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  4. The Indian crow, his book.
    By: Dewar, Douglas.
    Publication info: Madras,Higginbotham,1905.
    Contributed by: Smithsonian Libraries
    Subjects: Crows  
    BHL Collections: Smithsonian Libraries
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  5. A new race of crow. Corvus enca, from the Philippines [by] Austin L. Rand and Dioscoro S. Rabor.
    By: Rand, Austin Loomer, - Rabor, Dioscoro S.
    Publication info: [Chicago]Chicago Natural History Museum,1961.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Birds  Crows  Philippines  
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