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  1. By: Hackman, C. Douglas - Merrill, Richard W. - Sibley, Fred C
    Publication info: 1964
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  2. By: Merrill, Richard W. - Sibley, Fred C
    Publication info: 1964
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  1. By: Sibley, Fred C - Mcfarlane, Robert W
    Type: Article
    In: Pacific science
    Volume: 22
    Issue: 3
    Date: 1968
    Page Range: 314--321
    Publication Info: Honolulu, University Press of Hawaii,