Census of India, 1901, General Report by H.H. Risley and E.A. Gait, Vol. I, Part I, pp. 500-504; and Ethnographic Appendices by H.H. Risley, Vol. I, map, p. 60. Calcutta, 1903. P. Vidal de la Blache, Le Peuple de l'Inde, d'après la série des recensements, pp. 431-434, Annales de Géographie, Vol. XV. Paris, 1906.
Hans Helmolt, History of the World, Vol. III, pp. 422, 424, 434-436. New York, 1902-1906.
D. Livingstone, Missionary Travels, pp. 97-102. New York, 1858.
James Bryce, Migrations of the Races of Men Considered Historically, Scottish Geographical Magazine, Vol. VIII, pp. 400-421, May, 1892.
Justus Perthes, Taschen Atlas, p. 78. Gotha, 1905.
Ibid., p. 80.
Hugh R. Mill, International Geography, p. 878. New York, 1902.
Hans Helmolt, History of the World, Vol. I, pp. 189-191. New York, 1902-1906.
Hodgkin, Italy and Her Invaders, Vol. VI, pp. 23-27, 38-42, 63-68, 83-87. Oxford, 1896.
McGee and Thomas, Prehistoric North America, Chap. XXI, Vol. XIX of History of North America, Philadelphia, 1905.