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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lincoln, Frederick Charles, - Peterson, Steven R. - Anastasi, Peter A. - Hines, Bob, - U.S. Fish and Wildlife Service
    Edition: Rev. ed.
    Publication info: Washington, Dept. of the Interior, Fish and Wildlife Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979
    Holding Institution: Prelinger Library
  1. By: Peterson, Steven R. - Ellarson, Robert S
    Type: Article
    In: The Wilson bulletin
    Volume: 91
    Issue: 2
    Date: 1979
    Page Range: 288--300
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Peterson, Steven R. - Ellarson, Robert S
    Type: Article
    In: The Wilson bulletin
    Volume: 89
    Issue: 1
    Date: 1977
    Page Range: 81--91
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Stauffer, Dean F - Peterson, Steven R.
    Type: Article
    In: The Great Basin naturalist
    Volume: 46
    Issue: 1
    Date: 1986
    Page Range: 117--122
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,