1924. The Pleistocene of the middle region of North America and its vertebrated animals. Carnegie Inst. Washington, Publ. 322A:1-346.
1927. The Pleistocene of the western region of North America and its vertebrate animals. Carnegie Inst. Wash., Publ. 322B, pp. v + 346, 12 pls., 21 maps, 10 text figs.
Hibbard, C. W.
1938. An Upper Pliocene fauna from Meade County, Kansas. Trans. Kansas Acad. Sci., 40:239-265, 5 pls., 2 figs.
1941a. The Borchers fauna, a new Pleistocene interglacial fauna from Meade County, Kansas. Bull. State Geol. Surv. Kansas, 38:197-220, 2 pls., July 14.
1941b. Mammals of the Rexroad Fauna from the Upper Pliocene of southwestern Kansas. Trans. Kansas Acad. Sci., 44:265-313, 4 pls.
1943. The Rezabek fauna, a new Pleistocene fauna from Lincoln County, Kansas. Univ. Kansas Sci. Bull., 29:235-247, October 15.
1944. Stratigraphy and vertebrate paleontology of Pleistocene deposits of southwestern Kansas. Geol. Soc. Amer. Bull., 55:707-754, 3 pls., 20 figs.
1950. Mammals of the Rexroad Formation from Fox Canyon, Meade County, Kansas. Univ. Michigan Paleo. Contrib., 8(6):113-192, 5 pls., 23 figs.