Explorers of Pre-Columbian America?: The Diffusionist-inventionist Controversy

accept according advocates African Amerindians ancient anthropologists appear archaeological archaeologists argue arguments artifacts Asia Asian asserts Atlantic authors Barry brought Carter century characteristics Chinese civilizations claims coast Columbus concepts conclusions connection considers contacts continent created criticism crossed culture demonstrate diffusion diffusionists discussion early epigraphers essays Europe European evidence example exist explain Fell Fell's George groups History human ideas important independent influence inscriptions invention inventionists islands issue Jett land language linguistic maize marks means medieval Meggers Mesoamerica Norse North America noted ocean Ogam Old World Olmec origin Pacific period physical plant Polynesian possible pre-Columbian present Press probably problem produced professional region rejects response Robert rock sailed Samuel Eliot Morison scholars similar Society South stone suggests theories traits transocean travelers University valid Vikings Vinland visitors voyages West writing York