Taylor, W. E.
1895. The box tortoises of North America. Proc. U. S. Nat. Mus., 17 (1019):573-588, 7 figs.
1956. Auditory responses in the common box turtle. Proc. Nat. Acad. Sci., 42(12):962-965.
Williams, E.
1950. Testudo cubensis and the evolution of western hemisphere tortoises. Bull. Amer. Mus. Nat. Hist., 95(1):1-36, pls. 1-8, 2 figs.
1948. Studies of the desert tortoise Gopherus agassizii. Ecol. Monogr., 18:145-200, 25 figs., 4 tables.
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