Thapar, Romila. Oxford India Perennials : Ashoka and the Decline of the Mauryas / By Romila Thapar. - 3rd ed. - New Delhi : Oxford University Press, 1997. - 434 p. ; 00 cm. ISBN: 9780198077244 Subjects--Topical Terms: HISTORY. Dewey Class. No.: 934 / THA