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  1. A review of the ornithology of Minnesota / by Thomas Sadler Roberts.
    By: Roberts, Thomas S.
    Publication info: Minneapolis, Minn. :University of Minnesota,1919.
    Contributed by: University of California Libraries (archive.org)
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  2. A review of the ornithology of Minnesota, by Thomas Sadler Roberts ...
    By: Roberts, Thomas S.
    Publication info: Minneapolis, Minn.[c1919]
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  3. The winter bird-life of Minnesota; being an annotated list of birds that have been found within the state of Minnesota during the winter months. By Thomas S. Roberts ...
    By: Roberts, Thomas S.
    Publication info: Minneapolis, Minn.,1916.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
    View Book