1. Chakraborty, R. and Yee, S. (1973) Phenotype bioassay of five tribes of Orissa, India Human Heredity, 23, pp. 270 - 279.
2. Das, S.R. and Bhattacharjee, P.N. and Sastry, D.B. and Mukherjee, D.P. (1963) Blood groups, ABH secretion, sickle cell trait and colour blindness in the Bodo Gabada and Bareng Paroja of Koraput district in Orissa Bulletin Anthropological Survey of India, 11, pp. 145 - 151.
3. Das, S.R. and Sastry, D.N. and Mukherjee, D.P. (1966) Blood groups and ABH secretion in the Pareng Gabada, the Ollaro Gabrada and the Konda Paroja of Koraput district in Orissa Acta Genetica, Basel, 16, pp. 169 - 183.
4. Elwin, V.(1964) The Tribal World of Verrier Elwin: An Autobiography. Oxford : Oxford University Press.
5. Grierson, G.A.(1906) Linguistic survey of India. In Caste and Tribes of Southern India. ( pp. 304 - 346 ). Madras : Government Press. In