Hasan, Ibn The central structure of the Mughal empire and its practical working up to the year 1657 / Ibn Hasan. With a foreword by Sir E. Denison Ross - Lahore : Pakistan Branch, Oxford University Press, 1967. - vi, 398 p. ; 23 cm. Includes index Subjects--Geographic Terms: Mogul Empire--Politics and government Dewey Class. No.: 954.025 / HAC 1967