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  1. By: British Museum (Natural History). Department of Zoology. [Amphibia]. - Günther, Albert C. L. G. (Albert Carl Ludwig Gotthilf),
    Publication info: London, 1858
    Holding Institution: Multiple institutions
    BHL Collections: Natural History Museum (London) Publications
  2. By: British Museum (Natural History). Department of Zoology. [Amphibia]. - Boulenger, George Albert
    Edition: 2nd ed / by G.A. Boulenger.
    Publication info: London, 1882
    Holding Institution: Multiple institutions
    BHL Collections: Natural History Museum (London) Publications