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  1. By: Zweifel, Richard George, - Parker, Fred
    Publication info: New York, N.Y, American Museum of Natural History, c1977
    Holding Institution: American Museum of Natural History Library
  2. By: Parker, Fred - Zweifel, Richard George,
    Publication info: 1977
    Holding Institution: American Museum of Natural History Library
  3. By: Zweifel, Richard George, - Parker, Fred
    Publication info: New York, N.Y American Museum of Natural History [1969]
    Holding Institution: American Museum of Natural History Library
  4. By: Parker, Fred - Zweifel, Richard George,
    Publication info: 1969
    Holding Institution: American Museum of Natural History Library
  5. By: Parker, Fred - Zweifel, Richard George,
    Publication info: 1989
    Holding Institution: American Museum of Natural History Library
  6. By: Zweifel, Richard George, - Parker, Fred
    Publication info: New York, American Museum of Natural History, c1989
    Holding Institution: American Museum of Natural History Library
  1. By: O‘shea, Mark - Herlihy, Brian - Paivu, Blaise - Parker, Fred - Richards, Stephen J. - Kaiser, Hinrich
    Type: Article
    In: Amphibian & reptile conservation
    Volume: 12
    Issue: 1
    Date: 2018
    Page Range: 27--34
    Publication Info: Provo, Utah Amphibian & Reptile Conservation [1996-