E. T. Dalton, _Descriptive Ethnology of Bengal_, pp. 186, 188; compare A. Bastian, _Völkerstämme am Brahmaputra_, p. 9.
E. T. Dalton, _op. cit._ p. 33; A. Bastian, _op. cit._ p. 16. Compare L. A. Waddell, “The Tribes of the Brahmaputra Valley,” _Journal of the Asiatic Society of Bengal_, lxix. (1901) Part III. p. 16; W. Robertson Smith, _The Religion of the Semites_, 2nd Ed., pp. 132 _sq._
E. T. Dalton, _op. cit._ p. 25; A. Bastian, _op. cit._ p. 37.
A. C. Kruijt, “Het koppensnellen der Toradja’s van Midden-Celebes en zijne beteekenis,” _Verslagen en Mededeelingen der konink. Akademie van Wetenschappen_, Afdeeling Letterkunde, IV. Reeks, iii. (1899) p. 195.
A. W. Niewenhuis, _In Centraal-Borneo_ (Leyden, 1900), i. 146; _id._, _Quer durch Borneo_, i. (Leyden, 1904) p. 107.
_Id._, “Tweede Reis van Pontianak naar Samarinda,” _Tijdschrift van het konink. Nederlandsch Aardrijkskundig Genootschap_, II. Serie, xvii. (1900) p. 427.
J. Perham, “Sea Dyak Religion,” _Journal of the Straits Branch of the Royal Asiatic Society_, No. 10 (December 1882), p. 217; H. Ling Roth, _The Natives of Sarawak and British North Borneo_, i. 184.
B. Hagen, “Beiträge zur Kenntniss der Battareligion,” _Tijdschrift voor Indische Taal- Land- en Volkenkunde_, xxviii. 530, note.
E. Young, _The Kingdom of the Yellow Robe_ (Westminster, 1898), pp. 192 _sq._
J. G. Scott and J. P. Hardiman, _Gazetteer of Upper Burma and the Shan States_, Part I. vol. i. (Rangoon, 1900) pp. 518 _sq._
Captain Macpherson, in _North Indian Notes and Queries_, ii. 112 § 428.
W. Crooke, _Popular Religion and Folk-lore of Northern India_ (Westminster, 1896), ii. 91.
A. Bastian, _Die Völker des östlichen Asien_, i. 134. The authority quoted by Bastian calls the people Curka Coles. As to the Larka Kols, see E. T. Dalton, _Descriptive Ethnology of Bengal_, pp. 177 _sqq._
W. Crooke, _Tribes and Castes of the North-Western Provinces and Oudh_, iv. 130.
S. Mateer, _The Land of Charity_ (London, 1871), p. 206.
B. A. Hely, in _Annual Report on British New Guinea for 1894-95_, p. 57.
T. J. Hutchinson, _Impressions of Western Africa_ (London, 1858), pp. 130 _sq._
Gallieni, “Mission dans le Haut Niger et à Ségou,” _Bulletin de la Société de Géographie_ (Paris), viiime Série, v. (1883) pp. 577 _sq._