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  1. By: Academy of Natural Sciences of Philadelphia. Department of Mollusks - Academy of Natural Sciences of Philadelphia. Department of Mollusks - Delaware Museum of Natural History.
    Publication info: Greenville, Del., etc.,Delaware Museum of Natural History, etc.
    Holding Institution: Smithsonian Libraries
  2. By: Delaware Museum of Natural History.
    Publication info: Greenville,Delaware Museum of Natural History[1970-
    Holding Institution: Delaware Museum of Natural History Library
    BHL Collections: Expanding Access to Biodiversity Literature
  3. By: Bailey-Matthews Shell Museum - American Malacologists, Inc. - Delaware Museum of Natural History.
    Publication info: Melbourne, Fla., etc.,American Malacologists, inc., etc.
    Holding Institution: Multiple institutions
  4. By: Delaware Museum of Natural History.
    Publication info: [Greenville]Delaware Museum of Natural History.
    Holding Institution: Smithsonian Libraries