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  1. By: Simpson, C David
    Publication info: [Lubbock], Museum, Texas Tech University, 1978
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    BHL Collections: Expanding Access to Biodiversity Literature
  1. By: Simpson, C David
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 81
    Date: 1961
    Page Range: 82--85
    Publication Info: London, British Ornithologists' Club, 1893-