2019 Primary text (edition/translation) On God and the World Epistles of the Brethren of Purity Edited and translated by Wilferd Madelung, Cyril Villarosa Uy II, Carmela Baffioni, Nuha Alshaar Foreword by Nader El-Bizri Original author Ikhwan al-Safa' اقرأ المزيد
2018 Reference Encyclopaedia Islamica, Volume 6 Encyclopaedia Islamica Edited by Farhad Daftary, Wilferd Madelung Managing editor Reza Shah-Kazemi اقرأ المزيد
2013 Reference Encyclopaedia Islamica, Volume 4 Encyclopaedia Islamica Edited by Farhad Daftary, Wilferd Madelung Managing editor Reza Shah-Kazemi اقرأ المزيد
2008 Reference Encyclopaedia Islamica, Volume 1 Encyclopaedia Islamica Edited by Farhad Daftary, Wilferd Madelung Managing editor Reza Shah-Kazemi اقرأ المزيد
