Influences of Geographic Environment Part 58

[1103] Heinrich Barth, Travels in North and Central Africa, Vol. I, pp.

148, 152, 204, 210, 303. New York, 1857.

[1104] J.L. Burckhardt, Notes on the Bedouins and Wahabys, Vol. I, pp.

115-119, 284-286, 296-300. London, 1831.

[1105] Gibbon, Decline and Fall of the Roman Empire, Vol. V, pp. 85-87.

New York, 1857.

[1106] Jerome Dowd, The Negro Races, Vol. I, pp. 234-235. New York,1907.

[1107] Vambery, _Reise in Mittel Asien_, pp. 288-290. Leipzig, 1873.

[1108] James Bryce, Impressions of South Africa, pp. 108, 128, 129, 155, 199, 452-453. New York, 1897.

[1109] For vivid description of desert defensive warfare, see Gustav Frensen, Peter Moore's Journey to Southwest Africa. Translated from the German, 1908. Based upon interviews with hundreds of returning German soldiers from the Damara campaign.

[1110] H.B. Mill, International Geography, p. 454. New York, 1902.

[1111] Henry Norman, All the Russias, p. 273. New York, 1902.

[1112] L. March Phillipps, In the Desert, pp. 54-56. London, 1905.

[1113] _Ibid._, pp. 181-164.

[1114] Ratzel, History of Mankind, Vol. III, p. 177. London, 1896-1898.

[1115] Anatole Leroy-Beaulieu, The Empire of the Tsars, Vol. I, pp.

29-30. New York, 1893.

[1116] Pallas, Travels through the Southern Provinces of Russia, Vol. I, pp. 532-533. London, 1812.

[1117] Sir S.W. Baker, Nile Tributaries of Abyssinia, p. 88. Hartford, 1868.

[1118] David Livingstone, Missionary Travels, pp. 53-56, 169. New York, 1858.

[1119] Sven Hedin, Central Asia and Tibet, Vol. I, pp. 96, 136, 359, New York and London, 1903. Ellsworth Huntington, The Pulse of Asia, pp. 193, 202, 212, 213. Boston, 1907.

[1120] Sir Francis Younghusband, The Heart of a Continent, pp. 103, 104, 107, 112-116, 120, 125-128, 137, 138, 143. London, 1904.

[1121] S.W. Zwemer, Arabia the Cradle of Islam, pp. 147, 151. New York, 1900. D.G. Hogarth, The Nearer East, pp. 185, 195. 265. London, 1902.

[1122] Nachtigal, _Sahara und Sudan_, Vol. I, pp. 214-218, 267-269.

Berlin, 1879.

[1123] Ratzel, History of Mankind, Vol. III, p. 168. London, 1896-1898.

[1124] H.R. Mill, International Geography, pp. 906, 914. New York, 1902.

[1125] H. Barth, Travels in North and Central Africa, Vol. I, pp. 152, 207, 210, 211. New York, 1857.

[1126] _Ibid._, 41-44, 52, 61-64, 67, 76, 93, 95, 99, 103, 105.

[1127] L. March Phillipps, In the Desert, p. 174. London, 1905.

[1128] Sir Thomas Holdich, India, pp. 91-93. London, 1905.

[1129] M.A. Stein, The Sand-Buried Ruins of Khotan, pp. 275-324, 354-408. London, 1903.

[1130] H. Barth, Travels in North and Central Africa, Vol. I, chap. III.

New York, 1857.

[1131] Ellsworth Huntington, The Pulse of Asia, pp. 160-190, 209, 304, 309-310, 315, 367. Boston, 1907.

[1132] J.L. Burckhardt, Notes on the Bedouins and Wahabys, Vol. I, pp.

57-64, 238-242. London, 1831.

[1133] E. Huntington, The Pulse of Asia, pp. 137-138. Boston, 1907.

[1134] John de Plano Carpini, Journey to the Northeast, pp. 109-111, 120. Hakluyt Society, London, 1904. Journey of William de Rubruquis, pp.

191-193, 203, 224. Hakluyt Society, London, 1903.

[1135] W.W. Rockhill, The Land of the Lamas, p. 80. New York, 1891.

[1136] Vambery, _Reise in Mittel Asien_, p. 295. Leipzig, 1873.

[1137] Nachtigal, _Sahara und Sudan_, Vol. I, pp. 257, 268. Berlin, 1879.

[1138] E. Huntington, The Pulse of Asia, p. 74. Boston, 1907.

[1139] L. March Phillipps, In the Desert, pp. 198-201. London, 1905.

[1140] D. Livingstone, Travels and Researches in South Africa, p. 55.

New York, 1859.

[1141] W. Roscher, _Grundlagen der Nationalokonomik_, Book VI, chap. II, p. 244. Stuttgart, 1886.

[1142] Ratzel, History of Mankind, Vol. III, p. 170. London, 1896-98.

[1143] W.W. Rockhill, Land of the Lamas, p. 80. New York, 1891.

[1144] 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.

[1145] Westermarck, History of Human Marriage, p. 429, notes 2 and 5, p.

440, note 2, p. 507. London, 1891.

[1146] J.L. Burckhardt, Notes on the Bedouins and Wahabys, Vol. I, pp.

47, 48, 70, 71, 191-192, 239. London, 1831.