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  1. By: Ziegler, Alan C. - Howarth, Francis G., - Simmons, Nancy B.
    Publication info: New York, NY American Museum of Natural History [2016]
    Holding Institution: American Museum of Natural History Library
  1. By: Ziegler, Alan C.
    Type: Article
    In: The veliger
    Volume: 3
    Date: 1960
    Page Range: 19--22
    Publication Info: Berkeley, CA, California Malacozoological Society,
  2. By: Ziegler, Alan C. - Lidicker, William Z.,
    Type: Article
    In: Proceedings of the California Academy of Sciences, 4th series
    Volume: 36
    Series: 4
    Date: 1968
    Page Range: 33--71
    Publication Info: San Francisco California Academy of Sciences