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  1. By: Gudger, E. W. (Eugene Willis), - Mortimer, Lawrence.
    Publication info: New York City, The American Museum of Natural History, [1936]
    Holding Institution: American Museum of Natural History Library
  2. By: Gudger, E. W. (Eugene Willis), - Mortimer, Lawrence.
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library