The Histories of Nishapur - Hitti,Philip Khuri I (Cambridge Harvard University Press, 1966)
Keywords: Khalfah al - Nisaburi, Ahmad Muhammad ibn Hasan Ahmad - Ahval -i Nshapur. -- Farisi, Abd al - Ghafir ibn Ismail - 1059 -1134 or 5/529 A. H. - Kitab al - Siyaq li - Tarikh Nisabur -- Sarifini, Ibrahim ibn Muhammad - d. 1243 or 4/641 A. H. - Muntakhab min kitab al - Siyaq li - Tarikh Nisabur; Nishapur (Iran) - History