2011 Reference Encyclopaedia Islamica, Volume 3 Encyclopaedia Islamica Edited by Farhad Daftary, Wilferd Madelung
2011 Primary text (edition/translation) On Magic, Part I Epistles of the Brethren of Purity Original author Ikhwan al-Safa'Edited and translated by Godefroid de Callata每, Bruno Halflants
2011 Primary text (edition/translation) Mount of Knowledge, Sword of Eloquence Ismaili Texts and Translations Series Original author al-Mu鈥檃yyad f鈥檌l-Din al-ShiraziTranslated by Mohamad Adra
2011 Primary text (edition/translation) On Music Epistles of the Brethren of Purity Original author Ikhwan al-Safa'Edited and translated by Professor Owen Wright
