Western Toad (Bufo speciosus: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Spadefoot Toad (: Strecker, John K., Jr. 1915. Reptiles and amphibians of Texas. Baylor University Bulletin 18(4):29952); Spadefoot Toad (Bufo compactilis: Strecker, John K. 1922. An annotated catalogue of the amphibians and reptiles of Bexar County, Texas. Bulletin Scientific Society of San Antonio (4):1-31); Sonoran Toad (: Slevin, Joseph R. 1928. The amphibians of western North America. Occasional Papers of the California Academy of Sciences 16():1-152); Spade-footed Toad (: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Spadefoot Toad (Bufo compactilis: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Western Toad (Bufo compactilis: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Spade-footed Toad (Bufo compactilis: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Sonoran Toad (Bufo compactilis: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Sonora Toad (Bufo compactilis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Northern Sonora Toad (Bufo compactilis speciosus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Texas Toad (Bufo compactilis: Conant, Roger, Fred R. Cagle, Coleman J. Goin, Charles H. Lowe, Wilfred T. Neill, M. Graham Netting, Karl P. Schmidt, Charles E. Shaw, Robert C. Stebbins, and Charles M. Bogert. 1956. Common names for North American amphibians and reptiles. Copeia 1956(3):172-185); Texas Toad (Anaxyrus speciosus: Frost, Darrel R., Roy W. McDiarmid, Joseph R. Mendelson III, and David M. Green. 2012. Anura - Frogs. Pages 11-22 in Society for the Study of Amphibians and Reptiles, Herpetological Circular No. 39. pp.);