| Authors(s) | Conant, R. | 
| Year | 1975 | 
| Title | A field guide to reptiles and amphibians of eastern and central North America. Houghton Mifflin, Boston. 429 pp. | 
| Authors(s) | Conant, R. | 
| Year | 1975 | 
| Title | A field guide to reptiles and amphibians of eastern and central North America. Houghton Mifflin, Boston. 429 pp. |