Jacques, R.
1956. The hyaluronidase content of animal venoms. Pp. 291-293 in Venoms (ed. Buckley, E. E., and Porges, N., Amer. Assoc. Adv. Sci., Publ. No. 44).
Keegan, H. L., and Andrews, T. F.
1942. Effects of crotalid venom on North American snakes. Copeia, 1942:251-254.
Kellogg, R.
1925. Poisonous snakes of the United States. U. S. D. A. Papers (371), 13 pp.
Klauber, L. M.
1941. Four papers on the application of statistical methods to herpetological problems. Bull. Zool. Soc. San Diego, 17:1-95.
1956. Rattlesnakes. Univ. California Press, 2 vols., xxix + 1476 pp.
Klimstra, W. D.