Choudhury,P.C. The history of civilisation of the people of Assam to the Twelfth Century A.D. / Choudhury,P.C. - 3rd ed. - Guwahati: Spectrum, 1987. - xvi,510p;24cm Includes bibliographical references. ISBN: 144140377594 Dewey Class. No.: 954.162 CHO