↑ Jha, Jagdish Chandra (1967). "Singhbhum Under the South-West Frontier Agenby, 1837-'54" . Proceedings of the Indian History Congress . 29 : 34– 40. ISSN 2249-1937 . JSTOR 44137985 .
1 2 Dasgupta, Sangeeta (2022年9月) 「チョタナグプルのオラオン族:植民地時代の民族誌を巡る旅」 Modern Asian Studies . 56 (5): 1375–1415 . doi : 10.1017/S0026749X21000597 .
1 2 3 Das, Binod Sankar (1984). Changing Profile of the Frontier Bengal, 1751-1833 . Mittal Publications. p. 90.
↑ Jha, JC (1965). "THE BRITISH OCCUPATION OF KOLHAN (SINGHBHUM), 1836-37 (Summary)" . Proceedings of the Indian History Congress . 27 : 297– 298. ISSN 2249-1937 . JSTOR 44140654 .
↑ Jha, Jagdish Chandra (1967). "Singhbhum Under the South-West Frontier Agenby, 1837-'54" . Proceedings of the Indian History Congress . 29 : 34– 40. ISSN 2249-1937 . JSTOR 44137985 .
↑ Das, Binod Sankar (1984). Changing Profile of the Frontier Bengal, 1751-1833 . Mittal Publications. p. 90.
↑ Reid, J. (1912). Final Report on the Survey and Settlement of Pargana Dhalbhum in the District of Singhbhum, 1906 to 1911 . Bengal Secretariat Book Departmentôt. p. 6.