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

by Ellen Churchill Semple

H.J. Mackinder, Britain and the British Seas, pp. 202-203. London, 1904.

Boyd Alexander, From the Niger to the Nile, Vol. I, pp. 168, 169, 232, 306-307. London, 1907.

Livingstone, Missionary Travels, pp. 102, 642. New York, 1858.

See Century Atlas, maps of Mississippi, Louisiana and Arkansas for boundary line of 1850.

Sir Thomas Holdich, India, p. 57. London, 1905.

Strabo, Book X, chap. II, 19.

Henry M. Stanley, Through the Dark Continent, Vol. II, pp. 120-124, 155-158, 168, 169, 173, 176, 177, 182, 266-274, 327. New York, 1879.

Boyd Alexander, From the Niger to the Nile, Vol. II, pp. 252, 269-270. London, 1907.

Helmolt, History of the World, Vol. I, pp. 189, 192-194. New York, 1902-1906.

Cyrus Thomas, Mound Explorations, pp. 526-527, 531, 551. Twelfth Annual Report of Bureau of Ethnology, Washington, 1894.