@article {3360,
	title = {Frequency of Hybrids between Introduced and Native Populations of the Salamander Plethodon jordani in Their First Generation of Sympatry},
	journal = {Herpetologica},
	volume = {54},
	year = {1998},
	month = {June},
	pages = {143-153},
	keywords = {Amphibians, Salamanders},
	author = {Highton, Richard}
}
@article {4693,
	title = {Genetic Differentiation in Salamanders of the Desmognathus ochrophaeus Complex (Plethodontidae)},
	journal = {Evolution},
	volume = {32},
	year = {1978},
	note = {Illustrations, Maps},
	month = {March},
	pages = {93-115},
	keywords = {Fauna -- Classification and description, Salamanders},
	author = {Tilley, Stephen G and Merritt, Robert B and Wu, Barbara and Highton, Richard}
}
@article {6421,
	title = {Geographic Protein Variation and Divergence in Populations of the Salamander Plethodon Cinereus},
	journal = {Evolution},
	volume = {30},
	year = {1976},
	month = {March},
	pages = {33-45},
	keywords = {Red-backed salamanders, Salamanders -- Habitat, Salamanders -- Population densities},
	author = {Highton, Richard and Webster, T. Preston}
}
@article {6419,
	title = {Evolutionary Interactions Between Species of North American Salamanders of the Genus Plethodon},
	journal = {Evolutionary Biology},
	volume = {4},
	year = {1970},
	pages = {211-256},
	keywords = {Amphibians -- Classification and description, Salamanders -- Habitat},
	author = {Highton, Richard and Henry, Susan A}
}
