Cope, 1876 "1875": On the Batrachia and Reptilia of Costa Rica: With notes on the herpetology and ichthyology of Nicaragua and Peru. Journal of the Academy of Natural Sciences of Philadelphia, sér.2, vol.8, p.93–154 (texte intégral).
↑Cope, 1876 "1875": On the Batrachia and Reptilia of Costa Rica: With notes on the herpetology and ichthyology of Nicaragua and Peru. Journal of the Academy of Natural Sciences of Philadelphia, sér.2, vol.8, p.93–154 (texte intégral).