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

by Ellen Churchill Semple

L. March Phillipps, In the Desert, pp. 198-201. London, 1905.

D. Livingstone, Travels and Researches in South Africa, p. 55. New York, 1859.

W. Roscher, Grundlagen der Nationalökonomik, Book VI, chap. II, p. 244. Stuttgart, 1886.

Ratzel, History of Mankind, Vol. III, p. 170. London, 1896-98.

W.W. Rockhill, Land of the Lamas, p. 80. New York, 1891.

J.L. Burckhardt, Notes on the Bedouins and Wahabys, Vol. I, pp. 106, 187. London, 1831. S.M. Zwemer, Arabia the Cradle of Islam, pp. 162, 268. New York, 1900.

Westermarck, History of Human Marriage, p. 429, notes 2 and 5, p. 440, note 2, p. 507. London, 1891.

J.L. Burckhardt, Notes on the Bedouins and Wahabys, Vol. I, pp. 47, 48, 70, 71, 191-192, 239. London, 1831.

S.M. Zwemer, Arabia the Cradle of Islam, p. 128. New York, 1900.

Ezekiel, Chap. XXVII, 21.