Smith, C. E.
1958. Natural History of Thomas County, Nebraska. Privately published, 99 pp.
Smith, H. M.
1947. Kyphosis and other variations in soft-shelled turtles. Univ. Kansas Publ. Mus. Nat. Hist., 1(6):117-24, 1 table, July 7.
1956. Handbook of amphibians and reptiles of Kansas. Misc. Publ. Univ. Kansas Mus. Nat. Hist., 2nd ed., No. 9:1-356, 253 figs., April 20.
Smith, H. M., and James, L. F.
1958. Taxonomic significance of cloacal bursae in turtles. Trans. Kansas Acad. Sci., 61(1):86-98.
Smith, H. M., Nixon, C. M., and Minton, S. A., Jr.
1949. Observations on constancy of color and pattern in soft-shelled turtles. Trans. Kansas Acad. Sci., 56(1):92-98, 3 figs.
Smith, H. M., and Taylor, E. H.