Hasan , Ibn . The Central Structure of the Mughal Empire and Its Practical Working up to the year 1657 / Textual Documents Ibn Hasan & E.Denison Ross. - 1st ed. / - Bombay : Oxford University Press , 1936. - 398p. ; 22cm. Subjects--Index Terms: History-Mughal Empire Mughal Empire-History G-History Dewey Class. No.: 954.023 / H 27 C