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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
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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)
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  3. Economic value of the starling in the United States /
    By: Kalmbach, E. R. - Gabrielson, Ira Noel,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1921.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  4. Knowing birds through stories, by Floyd Bralliar... illustrated with twelve plates in colors by E.R. Kalmbach...and other illustrations in black and white.
    By: Bralliar, Floyd Burton, - Kalmbach, E. R.
    Publication info: LondonFunk & Wagnalls company[c1922]
    Contributed by: University of California Libraries (archive.org)
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