Ernst, C.H.; Ernst, E.M.
2012
Venomous reptiles of the United States, Canada, and northern Mexico. Volume 2: Crotalus. Johns Hopkins University Press, Baltimore. 424 pp.
Ernst, C.H.; Ernst, E.M.
2011
Venomous reptiles of the United States, Canada, and northern Mexico. Volume 1: Heloderma, Micruroides, Micrurus, Pelamis, Agkistrodon, Sistrurus. Johns Hopkins University Press, Baltimore. 352 pp.