(1842). North American Herpetology; or, A Description of the Reptiles Inhabiting the United States. Vol. III. [Second Edition]. Philadelphia: J. Dobson. 128 pp. + 30 plates. (Coronella sayi, pp. 99–101 + Plate 22). Hubbs, Brian (2009). Common Kingsnakes: A Natural History of Lampropeltis getula. Tempe, Arizona: Tricolor Books. 436 pp. . Schmidt KP, Davis DD (1941). Field Book of Snakes of the United States and Canada. New York: G.P. Putnam's Sons. 365 pp. (Lampropeltis getulus holbrooki, pp. 176–177, Figure 50 + Plate 19). Stejneger L (1902). "The Reptiles of the Huachuca Mountains, Arizona". Proc. U.S. Nat. Mus. 25: 149–158. (Lampropeltis holbrooki, new name, p. 152). Wright AH, Wright AA (1957). Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock Publishing Associates, a division of Cornell University Press. 1,105 pp. (in two volumes). (Lampropeltis getulus holbrooki, pp. 387–391, Figure 118 + Map 33 on p. 373). External links Lamproletis getula. The IUCN Red List of Threatened Species. Lampropeltis holbrooki. The Reptile Database. Speckled Kingsnake. Reptiles and Amphibians of Iowa. Lampropeltis Reptiles described in 1902 Taxa named by Leonhard Stejneger