John Montgomery Cooper
... that John Montgomery Cooper advanced the theory that both South American and North American Indians were "marginal peoples" who were cultural relics from prehistoric times?
... that <b id="mwCBc"><a href="./John_Montgomery_Cooper" id="mwCBg" rel="mw:WikiLink" title="John Montgomery Cooper">John Montgomery Cooper</a></b> advanced the theory that both South American and North American Indians were "marginal peoples" who were cultural relics from prehistoric times?