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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Halstead, L. B.
    Type: Article
    In: Palaeontology
    Volume: 3
    Date: 1960
    Page Range: 217--226
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Halstead, L. B.
    Type: Article
    In: Palaeontology
    Volume: 14
    Date: 1971
    Page Range: 566--570
    Publication Info: London, Palaeontological Association, 1957-
  3. By: Halstead, L. B.
    Type: Article
    In: Palaeontology
    Volume: 1
    Date: 1959
    Page Range: 283--291
    Publication Info: London, Palaeontological Association, 1957-
  4. By: Halstead, L. B.
    Type: Article
    In: Palaeontology
    Volume: 1
    Date: 1958
    Page Range: 193--199
    Publication Info: London, Palaeontological Association, 1957-
  5. By: Halstead, L. B.
    Type: Article
    In: Palaeontology
    Volume: 2
    Date: 1959
    Page Range: 39--55
    Publication Info: London, Palaeontological Association, 1957-