Werner Sundermann: Al-Fehrest. In: Encyclopædia Iranica. Ehsan Yarshater, abgerufen am 15. August 2010 (englisch, [...] Some scholars regard him as a Persian (Gray, S. 24; Nicholson, S. 362), but this is not certain. However, his choice of the rather rare Persian word pehrest/fehrest/fehres/fahrasat (cf. comments by W. Henning quoted in Borhān-e Qāṭeʿ, ed. M. Moʿīn, S. 1509, n. 1) for the title of a handbook on Arabic literature is noteworthy in this regard [...]).