[1189] W.Z.  Ripley, Races of Europe, pp. 31-32.  New York, 1899.

[1190] Sir Thomas Holdich, India, pp. 32-33.  London, 1905.

[1191] W.Z.  Ripley, The Races of Europe, Map p. 439.  New York, 1899.

[1192] Imperial Gazetteer of India, Vol.  I, pp. 294-295.  Oxford, 1907.  Sir Thomas Holdich, India, relief map on p. 171 compared with linguistic map p. 201.  London, 1905.

[1193] Census of India for 1901, Risley and Gait, Vol.  I, Part I, p. 2.  Calcutta, 1903.  B.H.  Baden-Powell, The Indian Village Community, pp. 40, 130, 131.  London, 1896.

[1194] Count Gleichen, The Egyptian Sudan, Vol.  I, pp. 184, 185, 190.  London, 1905.

[1195] Gustav Nachtigal, Sahara und Sudan, Vol.  III, pp. 178, 188-192.  Leipzig, 1889.

[1196] Spencer and Gillen, The Northern Tribes of Central Australia, pp. 6, 13.  London, 1904.

[1197] W. Deecke, Italy, p. 365.  London, 1904.

[1198] Sir Thomas Holdich, India, pp. 295-296.  London, 1905.  G.W.  Steevens, In India, pp. 202-204.  New York, 1899.

[1199] Francis Younghusband, The Heart of a Continent, pp. 138, 140, 145, 272-273.  London, 1904.

[1200] E. Huntington, The Pulse of Asia, p. 87.  Boston, 1907.

[1201] E.C.  Semple, American History and Its Geographic Conditions, pp. 184-185.  Boston, 1903.

[1202] Isabella Bird Bishop, The Yangtze Valley and Beyond, Vol.  II, pp. 70-72, 88, 91.  London, 1900.

[1203] Francis H. Nichols, Through Hidden Shensi, pp. 170-171.  New York, 1902.

[1204] Otis T. Mason, Primitive Travel and Transportation, pp. 450-454, 474-475. Smithsonian Report, Washington, 1896.

[1205] Col.  George E. Church, The Acre Territory and the Caoutchouc Regions of Southwestern Amazonia, Geog.  Jour.  May, 1904.  London.

[1206] M. Huc, Journey through the Chinese Empire, pp. 39-40.  New York, 1871.

[1207] Perceval Landon, The Opening of Tibet, pp. 54-55.  New York, 1905.

[1208] Jean Baptiste Tavernier, Travels in India.  Vol.  II, p. 264.  Translated from the French of 1676.  London, 1889.

[1209] E.F.  Knight, Where Three Empires Meet, pp. 231, 274, 276, 286-289.  London, 1897.

[1210] Census of the Philippine Islands, Vol.  I, p. 544.  Washington, 1905.

[1211] Joseph Partsch, Central Europe, p. 134.  London, 1903.

[1212] M.S.W.  Jefferson, Caesar and the Central Plateau of France, Journal of Geog., Vol.  VI, p. 113.  New York, 1897.

[1213] P. Vidal de la Blache, Tableau de la Geographie de la France, p. 276.  Paris, 1903.

[1214] E.A.  Freeman, Historical Geography of Europe, Vol.  I, p. 450-453.  London, 1882.

[1215] William Morris Davis, Physical Geography, p. 183.  Boston, 1899.

[1216] P. Vidal de la Blache, Tableau de la Geographie de la France, p. 260, map p. 261.  Paris, 1903.