BIBLIOGRAPHY CONTRIBUTOR Ikhwān al-Ṣafāʾ First name Ikhwān Last name al-Ṣafāʾ Bibliography entries by this contributor al-Ṣafāʾ, Ikhwān. 2015. Epistles Of The Brethren Of Purity: On Astronomia: An Arabic Critical Edition And English Translation Of Epistle 3. Edited And Translated By F. Jamil Ragep And Taro Mimura.. Oxford: Oxford University Press, in association with The Institute of Ismaili Studies. al-Ṣafāʾ, Ikhwān, and Godefroid de Callataÿ. 1996. Les Révolutions Et Les Cycles : Épîtres Des Frères De La Pureté, Xxxvi. Beyrouth; Paris; Louvain-la-Neuve: al-Bouraq; Academia-Bruylant. al-Ṣafāʾ, Ikhwān. 1957. Rasāʾil Ikhwān Al-Ṣafāʾ Wa Khullān Al-Wafāʾ. 4 vol.. Bayrut: Dār Ṣādir.