Fladmark, K. R. (Jan 1979). “Alternate Migration Corridors for Early Man in North America”. American Antiquity44 (1): 55–69. doi:10.2307/279189. JSTOR279189.
Neves, W. A.; Powell, J. F.; Prous, A.; Ozolins, E. G.; Blum, M. (1999). “Lapa vermelha IV Hominid 1: morphological affinities of the earliest known American”. Genetics and Molecular Biology22 (4): 461. doi:10.1590/S1415-47571999000400001.
Fladmark, K. R. (Jan 1979). “Alternate Migration Corridors for Early Man in North America”. American Antiquity44 (1): 55–69. doi:10.2307/279189. JSTOR279189.
“Introduction”. Government of Canada. Parks Canada (2009年). 2011年4月24日時点のオリジナルよりアーカイブ。2010年1月9日閲覧。 “Canada's oldest known home is a cave in Yukon occupied not 12,000 years ago as at U.S. sites, but at least 20,000 years ago”
“Pleistocene Archaeology of the Old Crow Flats”. Vuntut National Park of Canada (2008年). 2008年10月22日時点のオリジナルよりアーカイブ。2010年1月10日閲覧。 “However, despite the lack of this conclusive and widespread evidence, there are suggestions of human occupation in the northern Yukon about 24,000 years ago, and hints of the presence of humans in the Old Crow Basin as far back as about 40,000 years ago.”
“Introduction”. Government of Canada. Parks Canada (2009年). 2011年4月24日時点のオリジナルよりアーカイブ。2010年1月9日閲覧。 “Canada's oldest known home is a cave in Yukon occupied not 12,000 years ago as at U.S. sites, but at least 20,000 years ago”
“Pleistocene Archaeology of the Old Crow Flats”. Vuntut National Park of Canada (2008年). 2008年10月22日時点のオリジナルよりアーカイブ。2010年1月10日閲覧。 “However, despite the lack of this conclusive and widespread evidence, there are suggestions of human occupation in the northern Yukon about 24,000 years ago, and hints of the presence of humans in the Old Crow Basin as far back as about 40,000 years ago.”
