Hall, H. H., and Smith, H. M.
1947. Selected records of reptiles and amphibians from southeastern Kansas. Trans. Kansas Acad. Sci., 49(4):447-454.
Hamilton, W. J., Jr., and Pollack, J. A.
1955. The food of some crotalid snakes from Fort Benning, Georgia. Nat. Hist. Misc., 140:1-4.
Herald, E. S.
1949. Effects of DDT oil solution upon amphibians and reptiles. Herpetologica, 5(6):117-120.
Hickman, C. P.
1922. A northern record for the water moccasin. Copeia, 1922(106):39.
Hurter, J. H.
1897. A contribution to the herpetology of Missouri. Trans. Acad. Sci. St. Louis, 7:499-503.