Influences of Geographic Environment / On the Basis of Ratzel's System of Anthropo-Geography

by Ellen Churchill Semple

Boyd Alexander, From the Niger to the Nile, Vol. II, pp. 163-164. London, 1907.

John H. Speke, Discovery of the Sources of the Nile, pp. 74, 89, 91, 94, 95, 173, 176-177, 197. New York, 1868.

Theodore Roosevelt, The Winning of the West, Vol. I, pp. 50, 70, 135. New York, 1895.

C. C. Royce, The Cherokee Nations of Indians, p. 140. Fifth Annual Report of the Bureau of Ethnology. Washington, 1884.

Albert J. Pickett, History of Alabama, pp. 79-89, 113-115, 1851. Reprint, Birmingham, 1900. James Adair, History of the American Indians, p. 257. London, 1775.

Ibid., pp. 252-3, 282.

Albert J. Pickett, History of Alabama, pp. 133-135. 1851. Reprint, Birmingham, 1900.

Archibald Little, The Far East, p. 249. Oxford, 1905.

M. Huc, Travels in Tartary, Thibet and China, 1844-1846, Vol. I, p. 74. Translated from the French. Reprint, Chicago, 1898.

Nachtigal, Sahara und Sudan, Vol. I, pp. 102, 448; Vol. III, pp. 203-205, 314. Leipzig, 1889. Boyd Alexander, From the Niger to the Nile, Vol. II, p. 170. London, 1907.