References
- Anderson , Edgar . 1952 . Plants, Man and Life , Boston : Little Brown and Co .
- Cohen , Mark N. 1977 . The Food Crisis in Prehistory: Overpopulation and the Origins of Agriculture , New Haven : Yale University Press .
- Fritz , Gayle J. 1990 . Multiple Pathways to Farming in Precontact Eastern North America . Journal of World Prehistory , 4 (4) : 387 – 435 .
- Harlan , J.R. 1971 . Agricultural Origins: Centers and Non‐Centers . Science , 174 : 468 – 474 .
- Lathrap , Donald W. 1987 . “ The Introduction of Maize in Prehistoric Eastern North America: The View from Amazonia and the Santa Elena Peninsula ” . In Emergent Horticultural Economies of the Eastern Woodlands , Center for Archaeological Investigations, Occasional Paper 7 Edited by: Keegan , William F. 345 – 371 . Carbondale : Southern Illinois University .
- McCourt , D. 1955 . Infield and Outfield in Ireland . Economic History Review , 7 : 369 – 376 .
- Riley , Thomas J. , Edging , Richard and Rossen , Jack . 1990 . Cultigens in Prehistoric Eastern North America: Changing Paradigms . Current anthropology , 31 (5) : 525 – 41 .
- Rindos , David . 1984 . The Origins of Agriculture: An Evolutionary Prospective , Orlando : Academic Press .
- Sauer , Carl O. 1952 . Agricultural Origins and Dispersals , New York : American Geographical Society .
- _____ . Age and Area of American Cultivated Plants . Proceedings of the 33rd International Congress of Americanists, San José Costa Rica, 1958 . Volume 1 , pp. 215 – 229 . San Josfr : International Congress of Americanists .