Hedrick, R. M., and Holmes, J. C.
1956. Additional Minnesota herpetological notes. Flicker, 28(3):123-26, September.
Hemming, R. (editor).
1956. Opinion 417. Ops. Decs. Internat. Comm. Zool. Nomencl., 14(1):1-42.
1957. Opinion 447. Ops. Decs. Internat. Comm. Zool. Nomencl., 15(12):211-224.
Henning, W. L.
1938. Amphibians and reptiles of a 2,200-acre tract in central Missouri. Copeia, 1938(2):91-92, June 30.
Herald, E. S.
1949. Effects of DDT-oil solutions upon amphibians and reptiles. Herpetologica, 5(Pt. 6):117-20, December 15.