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  1. By: Aronson, Lester R. (Lester Ralph), - Noble, G. Kingsley (Gladwyn Kingsley),‏ ‎
    Publication info: New York City, The American Museum of Natural History, [1944]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.78B:15.6  Amphibians  Anura  Behavior  Bufo  East (U.S.)  Reproduction  Sexual behavior in animals  Toads
  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:15.6  Amphibians  Behavior  Bufo  Mexico  Nuevo León (State)  Recording and reproducing  Reproduction  Sexual behavior in animals  Sound  Sound production by animals  Toads  United States