[9]Richard F. Flint and H. G. Dorsey, “Glaciation in Siberia,” Bulletin, Geological Society of America, 56:98 (1945).
[10]James W. Gidley, “Paleontological Evidence Bearing on the Problem of the Origin of the American Aborigines,” American Anthropologist, 14:22 (1912).
[11]Hrdlička, op. cit., 398.
[12]Frank Hibben, “Evidence of Early Man in Alaska,” American Antiquity, 8:254-259 (1943). Hrdlička, op. cit., 399.
[13]Philip S. Smith, “Certain Relations Between Northwestern America and Northeastern Asia,” in Early Man, ed. G. G. MacCurdy (1937), 87.
[14]Hibben, op. cit., 255-257.
[15]Frederick Johnson, “An Archaeological Survey Along the Alaska Highway, 1944,” American Antiquity, 11:183-186 (1946).
[16]Douglas Leechman, “Prehistoric Migration Routes Through the Yukon,” Canadian Historical Review, 27:383-390 (1946).
[17]Ernst Antevs, “Climate and Early Man in North America,” in Early Man, 125-126.
[18]M. R. Harrington, Gypsum Cave, Nevada (Southwest Museum Papers, No. 8, 1933), 190.