Mahmud-un-Nasir, Syed. Islam, its concepts & history / by Syed Mahmudunnasir. - New Delhi : Kitab Bhavan, 1981. - 424 p. ; 23 cm. LCCN: 81903257 Subjects--Topical Terms: Islam. Subjects--Geographic Terms: Islamic Empire--History. Dewey Class. No.: 297.09 / MAI 1981