Perry C. Holt No description specified. 1-3 (3 Records) Documents Distributional History of the Biota of the Southern Appalachians - Part I: Invertebrates (1969) Distributional History of the Biota of the Southern Appalachians. Part II: Flora (1970) Distributional History of the Biota of the Southern Appalachians. Part III: Vertebrates (1971)