Richards, John F. (1996), "Imperial expansion under Aurangzeb 1658–1869. Testing the limits of the empire: the Northwest.", The Mughal Empire, New Cambridge history of India: The Mughals and their contemporaries, vol. 5 (illustrated, reprint ed.), Cambridge University Press, pp. 170–171, ISBN978-0-521-56603-2
Afridi demographics in Pakistan and Afghanistan[usurped] The excessive figure sometimes mentioned in Afghanistan reflects in a particular way the Afghan claim to Pashtunistan and actually represents an estimate of the whole of the Afridi tribe on both sides of the frontier.