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Seller's Description:
8pp photoplates. Textual maps. Minor rubbing. VG. 28x21cm, xi, 146, (8) pp, Revision of the author's thesis (Ph. D. )--Pennsylvania State University, 1971. Contents: The Land, the People, & the Time; The Means of Distribution; Food Essentials; Artifact Essentials; Regional Exotics; Mega Regional Exotics; Symbiosis in the East.