Farmer, H.G. "Abd al- Qadir b. GHaybi al-Hafiz al-Maraghi." Encyclopaedia of Islam. Edited by: P. Bearman , Th. Bianquis , C.E. Bosworth , E. van Donzel and W.P. Heinrichs. Brill, 2007. Brill Online. <http://www.brillonline.nl/subscriber/entry?entry=islam_SIM-0091>. quote:", the greatest of the Persian writers on music. Born at Marāg̲h̲a, about the middle of the 8th/14th century, he had become one of the minstrels of al-Ḥusayn, the Ḏj̲alāʾirid Sultan of ʿIrāḳ, about 781/1379."
