| Click | Citation |
1
|
2114
| Dunn, E. R. 1926. The salamanders of the family Plethodontidae, a study in ecological evolution. Smith College. Fiftieth Anniversary Publication, Northhampton, Massachusetts, USA. 441pp. |
2
|
3027
| Highton, R., G. C. Maha, and L. R. Maxson. 1989. Biochemical evolution in the slimy salamanders of the Plethodon glutinosus complex in the eastern United States. III. Biological Monographs 57, University of Illinois Press, Urbana, Illinois, USA. 153pp. |