[24]Paul C. Mangelsdorf and C. Earle Smith, Jr., “A Discovery of Primitive Maize in New Mexico,” Journal of Heredity, 40:39-43 (1949), and “New Archaeological Evidence on Evolution in Maize,” Harvard University Botanical Museum Leaflets, vol. 13, no. 8, 213-247 (Mar., 1949).
[25]Willard F. Libby, Radiocarbon Dating (1955), 133.
[26]Junius Bird, “South American Radiocarbon Dates,” in Radiocarbon Dating (Memoirs, Society for American Archaeology, vol. 17, no. 1, pt. 2, 1951), 48.
[27]Wm. Duncan Strong, ‘Finding the Tomb of a Warrior-God,” National Geographic Magazine, 91:464, 459 (1947). Junius B. Bird, “Preceramic Cultures in Chicama and Virú,” in A Reappraisal of Peruvian Archaeology (Memoirs, Society for American Archaeology, vol. 13, no. 4, pt. 2, 1948), 28. Strong, “Cultural Epochs Refuse Stratigraphy in Peruvian Archaeology,” in A Reappraisal of Peruvian Archaeology, 99.
[28]Carl Sauer, personal communication, 1946.
[29]Oakes Ames, Economic Annuals and Human Cultures (Botanical Museum of Harvard University, 1939), 92-93.
[30]Edgar Anderson, “What Is Zea Mays?” Chronica Botanica, 9:89-90 (1945).
[31]C. R. Stonor and Edgar Anderson, “Maize Among the Hill Peoples of Assam,” Annals of the Missouri Botanical Garden, 36:355-404 (1949).
[32]Mangelsdorf, “Ancestor of Corn,” Science, 128:1313.