[14]Frank H. H. Roberts, Jr., “A Folsom Complex, etc.,” Smithsonian Miscellaneous Collections, vol. 94, no. 4, p. 6 (1935).
[15]Edgar B. Howard, “Early Man in America,” Proceedings, American Philosophical Society, 76:327-333 (1936). Edgar B. Howard and Ernst Antevs, “The Occurrence of Flints and Extinct Animals in Pluvial Deposits near Clovis, New Mexico,” Proceedings, Academy of Natural Sciences, 87:299-312 (1935). Kirk Bryan, “A Review of the Geology of the Clovis Finds Reported by Howard and Cotter,” American Antiquity, 4:113-130 (1938).
[16]Roberts, loc. cit.
[17]Kirk Bryan, “Geology of the Folsom Deposits in New Mexico and Colorado,” in Early Man (1937), 143-152. Kirk Bryan and Louis L. Ray, “Geological Antiquity of the Lindenmeier Site in Colorado,” Smithsonian Miscellaneous Collections, vol. 99, no. 2 (1940).
[18]Vance Haynes and George Agogino, “Geological Significance of a New Radiocarbon Date from the Lindenmeier Site,” Proceedings, Denver Museum of Natural History, 9:1-22 (1960).
[19]Edgar B. Howard, “Evidence of Early Man in North America,” Museum Journal, 24:90 (1935).
[20]Edgar B. Howard, “Folsom and Yuma Problems,” Proceedings, American Philosophical Society, 86:258 (1943).
[21]Stephen Williams, “The Island 35 Mastodon: Its Bearing on the Age of Archaic Cultures in the East,” American Antiquity, 22:359-372 (1957).
[22]Edgar B. Howard, “The Finley Site: Discovery of Yuma Points, in situ, near Eden, Wyoming,” American Antiquity, 8:224-234 (1943).
[23]Willard F. Libby, Radiocarbon Dating (1955), 125.