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

by Ellen Churchill Semple

H. W. Conn, The Method of Evolution, pp. 282-295. New York, 1900.

McGee and Thomas, Prehistoric North America, pp. 418, 424, Vol. XIX of History of North America. Philadelphia, 1905.

Ratzel, History of Mankind, Vol. II, pp. 280-283. London, 1896-1898.

Cæsar, Bella Gallico, Book II, chap. IV.

H. Helmolt, History of the World, Vol. VI, pp. 32-33. New York, 1902-1906.

Hodgkin, Italy and Her Invaders, Vol. I, Part I, pp. 75, 81, 82. Oxford, 1895.

W.Z. Ripley, Races of Europe, pp. 34, 341-342. New York, 1899.

H. Helmolt, History of the World, Vol. III, pp. 400, 417, New York, 1902-1906.

A.C. Haddon, The Study of Man, p. xix. New York and London, 1898.

James Bryce, Migrations of the Races of Men Considered Historically, Scottish Geographical Magazine, Vol. VIII, pp. 400-421. May, 1892.