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

by Ellen Churchill Semple

Ibid., pp. 218, 221, 393.

H.R. Mill, International Geography, p. 127. New York, 1902.

Henry Buckle, History of Civilization in England, Vol. II, pp. 126-136. New York, 1871.

Carl Ritter, Comparative Geography, pp. 191-192, 201. Philadelphia, 1865.

J.H. Breasted, History of Egypt, pp. 142, 144, 261-265, 293-302, 513-517. New York, 1905.

Ibid., 6, 48, 93, 114, 119, 127, 134, 136, 163, 164, 182, 190, 191, 507.

W.Z. Ripley, Races of Europe, pp. 340-343, map. New York, 1899.

Anatole Leroy-Beaulieu, The Empire of the Tsars, Vol. I, pp. 57-60. New York, 1893.

W.Z. Ripley, Races of Europe, Maps, pp. 53 and 66. New York, 1899.

Hans Helmolt, History of the World, Vol. VI, p. 130, map of ancient distribution of Germans and Celts. New York, 1907.