The New Cambridge History of Islam: Volume 1, The Formation of the Islamic World, Sixth to Eleventh Centuries/en-ca/the-new-cambridge-history-of-islam-volume-1-the-formation-of-the-islamic-world-sixth-to-eleventh-centuries/F61ABD0D-86E8-4F10-9C4E-7DD4D9FEECC5.htmlF61ABD0D-86E8-4F10-9C4E-7DD4D9FEECC5