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

by Ellen Churchill Semple

Sir F. Younghusband, The Heart of a Continent, pp. 72, 74. London, 1904. Alfred Kirchoff, Man and Earth, pp. 58-71. London.

J.L. Burckhardt, Notes on the Bedouins and Wahabys, Vol. I, pp. 374-377. London, 1831. L. March Phillipps, In the Desert, pp. 98-100. London, 1905.

Exodus, Chap. XXII, 1-4, 23.

John de Plano Carpini, Journey to the Northeast in 1246, pp. 110, 111, 113. Hakluyt Society, London, 1904.

Gibbon, Decline and Fall of the Roman Empire, Vol. V, p. 89. New York, 1858. H. Barth, Travels in North and Central Africa, Vol. I, p. 144. New York, 1857.

E. Huntington, The Pulse of Asia, pp. 121-123. Boston, 1907.

James Bryce, Impressions of South Africa, p. 422. New York, 1897.

Deuteronomy, VII, 1-3.

Ratzel, History of Mankind, Vol. III, p. 184. London, 1896-1898.

Boyd Alexander, From the Niger to the Nile, Vol. I, pp. 190-197. London, 1907.