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  1. The birds of Fergus County, Montana /
    By: Silloway, Perley Milton.
    Publication info: Lewistown, Mont. :Press of the Argus,1903.
    Holding Institution: University of California Libraries (
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  2. Guide to the summer birds of the Bear Mountain and Harriman Park sections of the Palisades Interstate Park /
    By: Silloway, Perley Milton. - New York State College of Forestry at Syracuse University. - Palisades Interstate Park Commission.
    Publication info: Syracuse, N.Y. :The University,1920.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  3. Summer birds of Flathead Lake /
    By: Silloway, Perley Milton. - University of Montana.
    Publication info: Missoula :University of Montana,1901.
    Holding Institution: University of Toronto - Robarts Library
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  4. Summer birds of Flathead Lake,
    By: Silloway, Perley Milton.
    Publication info: [Missoula]University of Montana,1901.
    Holding Institution: Cornell University Library
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