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  1. An Addition to the Birds of Iowa
    By: Anderson, Rudolph M
    Type: Article
    In: The Auk
    Volume: 25
    Date: 1908
    Page Range: 215--215
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  2. Nesting of the Bohemian Waxwing (Bombycilla garrulus)
    By: Anderson, Rudolph M
    Type: Article
    In: The Auk
    Volume: 26
    Date: 1909
    Page Range: 10--12
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