Irrigation, Thirteenth Report of the U.S. Geological Survey, Part III, pp. 133-135. Washington, 1895. J.W. Powell, Twenty-third Annual Report of the Bureau of Ethnology, pp. XII, XIII. Washington, 1904. Cosmos Mindeleff, Aboriginal Remains in the Verde Valley, Arizona, pp. 187, 192-194, 238-245. Thirteenth Annual Report of Bureau of Ethnology. Washington, 1896. V. Mindeleff, Pueblo Architecture, pp. 80, 216-217. Eighth Annual Report of Bureau of Ethnology. Washington, 1891. F. W. Hodge, Prehistoric Irrigation in Arizona, American Anthropologist, July, 1893.
McGee and Thomas, Prehistoric North America, pp. 105-106, 113, 118, 120-144, 478. Philadelphia, 1905.
Eleventh Census, Report on the Indians, pp. 49, 161, 415. Washington, 1894. D.G. Brinton, The American Race, pp. 116-117. Philadelphia, 1901.
Ibid., pp. 161, 181, 182, 188, 191, 193, 198, 410, 441-445. M.C. Stevenson, The Zuni Indians, pp. 351-354. Twenty-third Annual Report of Bureau of Ethnology, Washington, 1904.
Ibid., pp. 13-14. H.H. Bancroft, The Native Races, Vol. I, pp. 539-547. San Francisco, 1886.
Norway, Official Publication, pp. 99-100. Christiania, 1900.
Ernst Curtius, History of Greece, Vol. I, pp. 49-50. New York.
Ibid., Vol. I, p. 440.
Dietrich Schaefer, Die Hansestädte und König Waldemar von Dänemark, pp. 255-257. Jena, 1879. Helen Zimmern, Story of the Hansa Towns, pp. 26-27. New York, 1895.
W.B. Weeden, Social and Economic History of New England, Vol. I, pp. 17, 18, 90, 91, 128-135, 139. Boston, 1899.