A field guide to reptiles and amphibians of eastern and central North America.
Boston: Houghton Mifflin, (1975. second edition). Octavo, colour plates, softcover. More
Boston: Houghton Mifflin, (1975. second edition). Octavo, colour plates, softcover. More
Boston: Houghton Mifflin, (1991. third edition). Octavo, coloured plates, paperback. More