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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Olson, Storrs L. - James, H F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 106
    Date: 1986
    Page Range: 84--86
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Olson, Storrs L. - James, H F
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 108
    Date: 1995
    Page Range: 373--387
    Publication Info: Washington, Biological Society of Washington,
  3. By: Olson, Storrs L. - James, H F - Meister, C A
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 101
    Date: 1981
    Page Range: 339--346
    Publication Info: London, British Ornithologists' Club, 1893-