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

by Ellen Churchill Semple

Francis H. Nichols, Through Hidden Shensi, pp. 170-171. New York, 1902.

Otis T. Mason, Primitive Travel and Transportation, pp. 450-454, 474-475. Smithsonian Report, Washington, 1896.

Col. George E. Church, The Acre Territory and the Caoutchouc Regions of Southwestern Amazonia, Geog. Jour. May, 1904. London.

M. Huc, Journey through the Chinese Empire, pp. 39-40. New York, 1871.

Perceval Landon, The Opening of Tibet, pp. 54-55. New York, 1905.

Jean Baptiste Tavernier, Travels in India. Vol. II, p. 264. Translated from the French of 1676. London, 1889.

E.F. Knight, Where Three Empires Meet, pp. 231, 274, 276, 286-289. London, 1897.

Census of the Philippine Islands, Vol. I, p. 544. Washington, 1905.

Joseph Partsch, Central Europe, p. 134. London, 1903.

M.S.W. Jefferson, Cæsar and the Central Plateau of France, Journal of Geog., Vol. VI, p. 113. New York, 1897.