 | Thirteenth contribution to the herpetology of tropical America
E D Cope (1886) Proc. Amer. Philos. Soc. 23: 271-287 |
 | In: Ferrari-Perez: Catalogue of animals collected by the geographical and exploring commission of the Republic of Mexico. [Part III. Reptiles and Amphibians, pp. 182-199]
E D Cope (1886) Proc. US Natl. Mus 9: 125-199 |
 | A list of the reptiles and batrachians collected by the late Prof. L. Balzan in Bolivia
G A Boulenger (1898) Annali del Museo Civico di Storia Naturale di Genova 19: 128-133 |
 | An annotated list of batrachians and reptiles collected in the vicinity of LaGuaira, Venezuela, with descriptions of two new species of snakes
Leonhard Stejneger (1901) Proceedings of The United States National Museum 24: 179-192 |
 | Amphibians and reptiles from Ecuador, Venezuela, and Yucatan
Henry W Fowler (1913) Proc. Acad. Nat. Sci. Philadelphia 1913: 153-176 |
 | On a second collection of Batrachians and Reptiles made by Dr. H. G. F. Spurrell F. Z. S. in the Choco, Colombia
G A Boulenger (1914) Proceedings of The Zoological Society of London 1914: 813-817 |
 | Expedition to the Revillagigedo Islands, Mexico, in 1925, III. Notes on a collection of reptiles and amphibians from the Tres Marias and Revillagigedo Islands, and the West Coast of Mexico, with description of a new species of Tantilla
Joseph Richard Slevin (1926) Proceedings of the California Academy of Sciences 15: 195-207 |
 | Typical reptiles and amphibians in the Museum of Comparative Zoology
T Barbour and A Loveridge (1929) Bulletin of the Museum of Comparative Zoology, Harvard 69: 205-360 |
 | Reptiles and amphibians of the Mandel Venezuelan Expedition
K P Schmidt (1932) Field Mus. Nat. Hist., Zool. Ser. 18: 159-163 |
 | Herpetological collections from the West Indies made by Dr. Paul Bartsch under The Walter Rathbone Bacon Scholarship, 1928-1930
D M Cochran (1934) Smithsonian Misc. Coll. 92(7): 1-48 |
 | A brief review of the snakes of Costa Rica
E H Taylor (1951) University of Kansas Science Bulletin 34: 3-188 |
 | On the trail of the Golden frog: with Warszewicz and Gabb in Central America
J M Savage (1970) Proc. Calif. Acad. Sci. 38: 273-287 |
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