[8]Frank H. H. Roberts, Jr., “Developments in the Problem of the North American Paleo-Indian,” Smithsonian Miscellaneous Collections, 100:52 (1940).

[9]Aleš Hrdlička and others, Early Man in South America (Bulletin, Bureau of American Ethnology, no. 52, 1912), numerous references in index.

[10]Hrdlička, “The Problem of Man’s Antiquity in America,” Proceedings, 8th American Scientific Congress, 2:53 (1942).

[11]Earnest A. Hooton, Apes, Men, and Morons (1937), 111.

[12]Ibid., 112.

[13]Roberts, op. cit., 98.

[14]Aleš Hrdlička, “Early Man in America: What Have the Bones to Say?” in Early Man, ed. G. G. MacCurdy (1937), 93-94.

[15]Hrdlička, “The Origin and Antiquity of the American Indian,” Smithsonian Institution Annual Report for 1923, 491.

[16]Hrdlička, “The Problem of Man’s Antiquity in America,” Proceedings, 8th American Scientific Congress, 2:53 (1942).

[17]Hrdlička, “Early Man in America,” 101.