[5]Richard F. Flint, “Chronology of the Pleistocene Epoch,” Quarterly Journal, Florida Academy of Sciences, 8:3-4 (1945).

[6]Ernst Antevs, The Last Glaciation (American Geographical Society, Research Series, No. 17, 1928), 74-82. R. A. Daly, The Changing World of the Ice Age (1934), 46. Richard F. Flint, Glacial Geology and the Pleistocene Epoch (1947), 334-335.

[7]Eduard Brückner, “Postglaziale Klimaänderungen und Klimaschwankungen im Bereich der Alpen,” Die Veränderungen des Klimas seit dem Maximum der letzten Eiszeit (Stockholm, 1910), 108.

[8]Milutin Milankovitch, “O Rasporedu suneeve Radijacije na Povrsini Zembljie” (On the Distribution of Solar Radiation on the Surface of the Earth), Glas Srpske K. Akad., 91:101-179 (1913), and “Neue Ergebnisse der astronomischen Theorie der Klimaschwankungen,” Bulletin, Royal Serbian Academy of Science, 1938, p. 4.

[9]Frederick E. Zeuner, The Pleistocene Period (1945), 167.

[10]Kirtley F. Mather, Sons of the Earth (1930), 106.

[11]Zeuner, op. cit., 161.

[12]Maurice Ewing and William L. Donn, “A Theory of Ice Ages,” Science, 123:1061-1066 (1956), and “A Theory of Ice Ages II,” Science, 127:1159-1162 (1958), and “Theory of Ice Ages,” Science, 129:464-465 (1959).

[13]George C. Simpson, “World Climate During the Quaternary Period,” Quarterly Journal, Royal Meteorological Society, 60:425-478 (1934), and “Ice Ages,” Nature, 141:591-598 (1938)—reprinted in Annual Report, Smithsonian Institution, 1938, 289-302.

[14]Zeuner, op. cit., 163.