[PAGE 145]. Israel C. Russell, The Geological History of Lake Lahontan (U.S. Geological Survey, Monograph no. 11, 1885).
[PAGE 147]. J. Graham D. Clarke, “New World Origins,” Antiquity, Vol. 14 (1940).
[PAGE 152]. W. J. Sollas, Ancient Hunters and Their Modern Representatives (1911).
[PAGE 155]. H. M. Wormington, Ancient Man in North America (Denver Museum of Natural History, Popular Series no. 4, 2nd rev. ed., 1944). Edgar B. Howard, “Evidence of Early Man in North America,” Museum Journal, Vol. 24 (1935). Alex Krieger, “Artifacts from the Plainview Bison Bed,” Bulletin, Geological Society of America, Vol. 58 (1947).
[PAGE 157]. Frank C. Hibben, “Evidence of Early Man in Alaska,” American Antiquity, Vol. 8 (1943). Frank H. H. Roberts, Jr., “Developments in the Problem of the North American Paleo-Indian,” Smithsonian Miscellaneous Collections, Vol. 100 (1940).
[PAGE 158]. Edgar B. Howard, “Evidence of Early Man in North America,” Museum Journal, Vol. 24 (1935). W. J. Sollas, Ancient Hunters and Their Modern Representatives (1911). Edith Plant, Man’s Unwritten Past (1942). Jacques J. M. de Morgan, Prehistoric Man (1925).
[PAGE 159]. Frank C. Hibben, op. cit.; Frank J. J. Roberts, Jr., op. cit.
[PAGE 161]. H. M. Wormington, Ancient Man in North America (2nd rev. ed., 1944). E. W. C. and H. H. Campbell, and others, The Archaeology of Pleistocene Lake Mohave (Southwest Museum Papers, no. 11, 1937).
[PAGE 162]. H. M. Wormington, Ancient Man in North America (2nd rev. ed., 1944).
[PAGE 165]. Frank C. Hibben, “Evidences of Early Occupation in Sandia Cave, New Mexico,” Smithsonian Miscellaneous Collections, Vol. 99 (1941). Bruce Howe and Hallam L. Movius, Jr., A Stone Age Site in Tangier, Vol. 28 (Papers of the Peabody Museum, 1947). Edith Plant, Man’s Unwritten Past (1942).