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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Clark, Richard J
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 35
    Series: 4
    Date: 1967
    Page Range: 23--36
    Publication Info: San Francisco California Academy of Sciences
  2. By: Clark, Richard J - Clark, Eugenie, - Anderson, Steven C. (Steven Clement), - Leviton, A E
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 36
    Series: 4
    Date: 1969
    Page Range: 279--315
    Publication Info: San Francisco California Academy of Sciences
  3. By: Clark, Richard J - Clark, Eugenie, - Anderson, Steven C. (Steven Clement),
    Type: Article
    In: Occasional papers of the California Academy of Sciences
    Volume: 55
    Date: 1966
    Page Range: 1--9
    Publication Info: San Francisco California Academy of Sciences