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  1. By: Ritchie, Alexander,
    Publication info: New York, N.Y, American Museum of Natural History, c1980
    Holding Institution: American Museum of Natural History Library
  2. By: Ritchie, Alexander,
    Publication info: 1980
    Holding Institution: American Museum of Natural History Library
  1. By: Ritchie, Alexander,
    Type: Article
    In: Proceedings of the Linnean Society of New South Wales
    Volume: 126
    Date: 2005
    Page Range: 215--259
    Publication Info: Sydney Linnean Society of New South Wales
  2. By: Ritchie, Alexander,
    Type: Article
    In: The Victorian Naturalist
    Volume: 129
    Issue: 6
    Date: 2012-12
    Page Range: 214--215
    Publication Info: [Melbourne] Field Naturalists Club of Victoria
  3. By: Ritchie, Alexander,
    Type: Article
    In: Palaeontology
    Volume: 11
    Date: 1968
    Page Range: 21--39
    Publication Info: London, Palaeontological Association, 1957-
  4. By: Ritchie, Alexander,
    Type: Article
    In: Proceedings of the Linnean Society of New South Wales
    Volume: 107
    Date: 1984
    Page Range: 321--353
    Publication Info: Sydney Linnean Society of New South Wales