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  1. By: Blair, Albert Patrick.
    Publication info: New York City, The American Museum of Natural History, [1946]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.78B:11.51.3  American toad  Amphibians  Arroyo toad  Hybridization  Toads  United States
  2. By: Blair, Albert Patrick.
    Publication info: New York City, The American Museum of Natural History, [1947]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.78B:11,52  American toad  Amphibians  Bufo  Bufo fowleri  Northeastern States  Toads  United States  Variation