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Parker, Joshua M.; Anderson, Stanley H. (2003). "Habitat use and movements of repatriated Wyoming toads". The Journal of Wildlife Management. 67 (2): 439–46. doi:10.2307/3802784. JSTOR3802784.
Lewis, Daniel L.; Baxter, George T.; Johnson, Kevin M.; Stone, Michael D. (1985). "Possible Extinction of the Wyoming Toad, Bufo hemiophrys baxteri ". Journal of Herpetology. 19 (1): 166–168. doi:10.2307/1564434. JSTOR1564434.
Parker, Joshua M.; Anderson, Stanley H. (2003). "Habitat use and movements of repatriated Wyoming toads". The Journal of Wildlife Management. 67 (2): 439–46. doi:10.2307/3802784. JSTOR3802784.
Lewis, Daniel L.; Baxter, George T.; Johnson, Kevin M.; Stone, Michael D. (1985). "Possible Extinction of the Wyoming Toad, Bufo hemiophrys baxteri ". Journal of Herpetology. 19 (1): 166–168. doi:10.2307/1564434. JSTOR1564434.