Varma, Kripa Nath, Population problem in the Ganges valley / by K. N. Varma - [1st ed.] - Agra : Shiva Lal Agarwala , 1967 . - ix, 164 p . : ill. ; 23 cm. Subjects--Topical Terms: Food supply--India.Tribal population Ganges valley Dewey Class. No.: 301.32954 / VAR N67P