Dean, Jeffrey S. 1967. ?Chronological Analysis Of Tsegi Phase Sites In Northeastern Arizona?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=758014861&sid=11&Fmt=1&clientId=43922&RQT=309&VName=PQD.