(1994), A History of Arabic Astronomy: Planetary Theories During the GoldenAge of Islam, New York University Press, ISBN 0-8147-8023-7 Portal Astronomija
Volume IV: The Age of Achievement AD 750 to the End of the Fifteenth Century. Motilal Banarsidass. str. 61–76. ISBN 978-81-208-1595-7. Golden, Peter B. (1990)
Bobrick, Benson (2012). The Caliph's Splendor: Islam and the West in the GoldenAge of Baghdad. Simon & Schuster. ISBN 978-1416567622. Bosworth, C. E., ur