Sengupta, Sarthak. Tribes of north-east India : biological and cultural perspectives / edited by Sarthak Sengupta. - New Delhi : Gyan Publishing House , 1994. - xxii,263p. : ill.,maps,tables ; 23cm . NULL ISBN: 8121204631 Rs. 250.00 Subjects--Index Terms: TRIBES-INDIA Dewey Class. No.: 307.772095416 / SEN/T