1929. The present position of snake bite and the snake bitten in Australia. Med. Jour. Australia, 1(10):296-313.
Fitch, H. S.
1956. Temperature responses in free-living amphibians and reptiles in northeastern Kansas. Univ. Kansas Publ. Mus. Nat. Hist., 8(7):417-476, 10 figs., 6 tables.
1960. Autecology of the copperhead. Univ. Kansas Publ. Mus. Nat. Hist., 13(4):85-288, pls. 13-20, 26 figs.
Force, E. R.
1930. The amphibians and reptiles of Tulsa County, Oklahoma, and vicinity. Copeia, 1930(2):25-39.
Fox, W.
1948. Effect of temperature on development of scutulation in the garter snake, Thamnophis elegans atratus. Copeia, 1948(4):252-262.
Githens, T. S.
1935. Studies on the venoms of North American pit vipers. Jour. Immun., 29(2):165-173.