Note 7 — 2 THE ROAD OF EARLY MAN
Reading edition
Reginald A. Daly, The Changing World of the Ice Age (1934), 47, 182. Ernst Antevs, The Last Glaciation (American Geographical Society Research Series, No. 17, 1928), 81. Richard F. Flint, Glacial Geology and the Pleistocene Epoch (1947), 432-433.