Mohy-ud-din, Atta. Abu Bakr / Atta Mohy-ud-din. - Lahore : Ferozsons, 1968. - X, 205 p. ; 24 cm. Includes index. 340 340 Subjects--Personal Names: Abu Bakr 634 --Calipa. Subjects--Topical Terms: Islamic Empire--History. Dewey Class. No.: 290.92 / A11a