Texts

• Kitâb al-Maqâlîd al-Malakūtiyya (The Book of the Keys to the Kingdom) by Abū Ya‘qūb Isḥâq b. Ahmad al-Sijistânî (d. after 361/971), 2011/1432 H., Ismail K. Poonawala (ed.), Tunis: Dâr al-Ġarb al-Islâmî. (Scholar)
• Rasâ’il Ikhwân al-Safâ’ wa Khullân al-Wafâ’, 1957, Mustafâ Ghâlib (ed.), Beirut: Dâr al-Sâdir, 4 vols. I indicate the volume, page(s) and line(s) of each quotation or reference; addings in square brackets. (Other eds.: Bombay 1887–89, 4 vols.; Khayr al-Dîn al-Ziriklî, Cairo 1928, 4 vols.; ‘Ârif Tâmir, Beirut – Paris 1995, 5 vols.). (Scholar)
• Al-Risâla al-Jâmi‘a, Tâj Rasâ’il Ikhwân al-Safâ’ wa Khullân al-Wafâ’, 1949-51, Jamîl Salîbâ (ed.), Damascus: al-Majma‘ al-‘Ilmî al-‘Arabî; Al-Risâla al-Jâmi ‘a, Tâj Rasâ’il Ikhwân al-Safâ’ wa Khullân al-Wafâ’, 1984², Mustafâ Ghâlib (ed.), Beirut: Dâr al-Andalus.
• Risâlat Jâmi‘a al-Jâmi‘a li-Ikhwân al-Safâ’ wa Khullân al-Wafâ’, 1970², ‘Ârif Tâmir (ed.), Beirut: Dâr Maktabat al-Hayât.

Translations

• Albert Reyna, R.F., 1995, “La ‘Risâla fî mâhiyyat al-‘isq’ de las Rasâ’il Ijwân al-Safâ’,” Anaquel de Estudios Arabes, 6: 185–207. (Scholar)
• Baffioni, C., 1989, L’Epistola degli Ihwan al-Safâ’ «Sulle opinioni e le religioni», Napoli: Istituto Universitario Orientale.
• –––, 1994, Frammenti e testimonianze di autori antichi nelle Rasâ’il degli Ihwân al-Safâ’, Roma: Istituto Nazionale per la Storia antica. (Scholar)
• –––, 2006, Appunti per un’epistemologia profetica. L’Epistola degli Ihwan al-Safâ’ «Sulle cause e gli effetti», Napoli: Istituto Universitario Orientale – Guida. (Scholar)
• –––, 2010a, On Logic. An Arabic Critical Edition and English Translation of Epistles 10–14 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• –––, 2013a, On the Natural Sciences. An Arabic Critical Edition and English Translation of Epistles 15–21– (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Baffioni, C., Poonawala, I.K., 2017, Sciences of the Soul and Intellect, Part III. An Arabic Critical Edition and English Translation of Epistles 39–41 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Bonmariage C., 2008/2009, “De l'amitié et des frères: l’Épître 45 des Rasâ’il Ikhwân al-Safâ. Présentation et traduction annotée,” Bulletin d'Etudes Orientales, 58: 315–350 and 443–444. (Scholar)
• de Callataÿ, G., 2003, “Ikhwân al-Safâ: des arts scientifiques et de leur objectif,” Le Muséon, 116: 231–258. (Scholar)
• de Callataÿ, G., Halflants, B., 2011, On Magic. An Arabic Critical Edition and English Translation of Epistle 52a (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Dieterici, F., 1969, Die Philosophie bei den Arabern im X. Jahrhundert n. Chr., Gesamtdarstellung und Quellenwerke, Hildesheim: Olms (repr. Leipzig: Hinrich, 1868, 1876, 1871, 1872). (Scholar)
• Diwald, S., 1975, Arabische Philosophie und Wissenschaft in der Enzyklopädie. Kitab Ihwan as-safa (III). Die Lehre von Seele und Intellekt, Wiesbaden: Harrassowitz. (Scholar)
• El-Bizri, Nader, 2012, On Arithmetic and Geometry. An Arabic Critical Edition and English Translation of Epistles 1 & 2 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• El-Bizri, Nader, de Callataÿ, G., 2017, On Composition and the Arts. An Arabic Critical Edition and English Translation of Epistles 10–14 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Gautier Dalché, P., 1988, “Epistola Fratrum Sincerorum in Cosmographia: une traduction latine inédite de la quatrième Risâla des Ihwân al-Safâ’,” Revue d’histoire des textes, 18: 137–167. (Scholar)
• Giese, A., 1990, Ihwân as-Safâ’, Mensch und Tier vor dem König der Dschinnen, Hamburg: Meiner. (Scholar)
• Goldstein, B.R., 1964, “A Treatise on the Number Theory from a Tenth-century Arabic Source,” Centaurus, 10: 129–160. (Scholar)
• Goodman, L.E., 1978, The Case of Animals versus Man before the King of the Jinn: A Tenth-century Ecological Fable of the Pure Brethren of Basra, Boston: Twayne Publishers. (Scholar)
• Goodman, L.E., McGregor, R., 2010, d The Case of Animal versus Man Before the King of the Jinn. An Arabic Critical Edition and English Translation of Epistles 22 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Hamdani, Abbas, Soufan, Abdallah, 2019, The Call to God. An Arabic Critical Edition and English Translation of Epistle 48 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Ikhwân al-Safâ’, 1996, Les révolution set les cycles (Épîtres des Frères de la Pureté, XXXVI), Traduction de l’arabe, introduction, notes et lexique par G. de Callataÿ, (Sagesses musulmanes, 3), Beyrouth – Louvain-la-Neuve: Al-Bouraq – Academia-Bruylant. (Scholar)
• Lizzini, O., 2009, “L’angelologia nelle epistole dei Fratelli della purezza: l’esempio della natura,” in G. Agamben, E. Coccia eds., Angeli. Ebraismo Cristianesimo Islam, Milano: Neri Pozza, pp. 1965–2012.
• Michot, J., 1974–75, “L’épître de la résurrection des Ikhwân al-Safâ’,” Bulletin de Philosophie Médiévale, 16–17: 114–148.
• Jamil Ragep, F., Mimura, T., 2015, On Astronomia. An Arabic Critical Edition and English Translation of Epistle 3 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Madelung, W. et al., 2019, On God and the World. An Arabic Critical Edition and English Translation of Epistles 49–51 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• van Reijn, E., 1995, The Epistles of the Sincere Brethren (Rasa’il Ikhwan al-Safa’): An Annotated Translation of Epistles 43 to 47, Montreux: Minerva Press. (Scholar)
• Sánchez, I., Mongomery, J., 2014, On Geography. An Arabic Critical Edition and English Translation of Epistle 4 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Shiloah, Amnon, 1964, “L’épître sur la musique des Ikhwân al-Safâ’,” Revue des Etudes islamiques, 32: 125–162.
• –––, 1966, “L’épître sur la musique des Ikhwân al-Safâ’,” Revue des Etudes islamiques, 34: 159–193.
• Tornero Poveda, É., 2006, La disputa entre los animales y el hombre/Ijwân al-Safâ’, Madrid: Siruela. (Scholar)
• Traboulsi, S. et al., 2016, On Companionship and Belief. An Arabic Critical Edition and English Translation of Epistles 43–45 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• de Vaulx d’Arcy, G., 2019a, Les Épîtres des Frères en Pureté (Rasâ’il Ikhwân al-Safâ’) Mathématique et Philosophie, Paris: Les Belles Lettres [non vidi]. (Scholar)
• Walker, P.E. et al., 2015, Sciences of the Soul and Intellect Part I. An Arabic Critical Edition and English Translation of Epistles 32–36 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Wright, O., 2010, On Music. An Arabic Critical Edition and English Translation of Epistle 5 (Epistles of the Brethren of Purity), New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Yusufji, D.H., 1943, “The Forty-third Treatise of the Ikhwân al-Safâ’,” Muslim World, 33: 39–49. (Scholar)

Select literature

• Albert Reyna, R.F., 2007, Humanismo islámico: una antropología de las Epístolas de los Hermanos de la Pureza, Ibrahîm Albert Reyna, Almodovar del Río: Junta Islamica, Centro de Documentación y Publicaciones. (Scholar)
• –––, 2009, “El concepto de lenguaje en las Epístolas de los Hermanos de la Pureza,” Anaquel de Estudios Arabes, 20: 5–17. (Scholar)
• Baffioni, C., 2001, “Frammenti e testimonianze platoniche nelle Rasâ’il degli Ikhwân al-Safâ’,” in G. Fiaccadori ed., Autori classici in lingue del Vicino e Medio Oriente, Roma: Istituto Poligrafico e Zecca dello Stato, pp. 163–178. (Scholar)
• –––, 2008, “L’influence des Ikhwân al-Safâ’ sur la minéralogie de Hamîd al-Dîn al-Kirmânî,” in G. de Callataÿ, B. Van den Abeele eds., Une lumière venue d’ailleurs. Héritages et ouvertures dans les encyclopédies d’Orient et d’Occident au Moyen Age, Actes du colloque de Louvain-la-Neuve, 19-21 mai 2005, Louvain-la-Neuve: Brepols, pp. 31–47.
• –––, 2009, “Le monde végétal dans la Râhat al-‘aql de Hamîd al-Dîn al-Kirmânî et l'influence des Ikhwân al-Safâ’,” in A. Paravicini Bagliani ed., Le monde végétal. Médicine, botanique, symbolique, Tavernuzze-Impruneta (Firenze): SISMEL-Edizioni del Galluzzo, pp. 63–75. (Scholar)
• –––, 2010b, “La science des pierres précieuses dans l'Épître des Ikhwân al-Safâ’: entre les catalogues encyclopédiques et le commentaire philosophique,” in J. Thomasset, J. Ducos, J.-P. Chambon eds., Aux origines de la géologie de l’Antiquité au Moyen Âge, Actes du Colloque International 10–12 mars 2005, Paris Sorbonne (Paris IV), Paris: Honoré Champion, pp. 75–90. (Scholar)
• –––, 2011a, “Ibdâ‘, Divine Imperative and Prophecy in the Rasâ’il Ikhwân al-Safâ’,” in O. Ali-de-Unzaga ed., Fortesses of the Intellect. Ismaili and Other Islamic Studies in Honour of Farhad Daftary, London-New York: I.B. Tauris Publishers in Association with the Institute of the Ismaili Studies, pp. 213–226. (Scholar)
• –––, 2011b, “Eléments platoniciens et néo-platoniciens de la représentation d'Adam dans la Jâmi'a al-Jâmi'a,” in P. Arfé et al. ed., Adorare coelestia, gubernare terrena. International conference in honour of Paolo Lucentini, Naples 6–7 november 2007, (Instrumenta Patristica et medievalia, 58), Brepols: Turnhout, pp. 99–111. (Scholar)
• –––, 2012, “La figure d'Adam dans la Jâmi'a al-Jâmi'a,” in A. Paravicini Bagliani ed., Adam, le premier homme, Tavernuzze – Impruneta (Firenze): SISMEL – Edizioni del Galluzzo, pp. 115–134. (Scholar)
• –––, 2013b, “Le Role of the Divine Imperative (amr) in the Ikhwân al-Safâ’ and Related Works,” Ishraq. Edjegodnik islamskoj filosofii (Moskva), 4: 46–70. (Scholar)
• –––, 2013c, “Nâsir-i Khosrow, translator of the Ikhwân al-Safâ’?,” in V. Klemm et al. ed., Sources and Approaches across Disciplines in Near Eastern Studies Proceedings of the 24th Congress, Union Européenne des Arabisants et des Islamisants, (Orientalia Lovaniensia Analecta, 215), Leuven – Paris – Walpole, MA: Peeters en Departement Oosterse Studies, pp. 319–331. (Scholar)
• –––, 2013d, “The Terms Ibdâ‘, al-Mubda' al-Awwal, and Mubda'ât in the Rasâ'il Ikhwân al-Safâ’,” in P. Fodor et al. eds., More Modoque. Die Wurzeln der europaischen Kultur und deren Rezeption im Orient und Okzident. Festschrift fur Miklos Maroth zum siebzigsten Guburtstag, Budapest: Forschungen fur Humanwissenschaften der Ungarischen Akademie der Wissenschaften, pp. 293–311. (Scholar)
• –––, 2014, “Epistle 48 of the Ikhwân al-Safâ’ and their Ismâ'îli Commitment,” in I. Lindstedt et al. ed., Case Studies in Transmission, (The Intellectual Heritage of Ancient and Mediaeval Near East, 1), Münster: Ugarit Verlag, pp. 11–21. (Scholar)
• –––, 2016, “Esoteric Shî‘ism in the Additions to Ancient Manuscripts of the Rasâ’il Ikhwân al-Safâ’,” in M.A. Amir-Moezzi et al. ed., L’Ésotérisme shi‘ite, ses racines et ses prolongements, Turnhout: Brepols, pp. 281–326. (Scholar)
• –––, 2018, “Embryology in an Ismā‘īlī Messianic Context. The Manuscript Tradition of the Iḫwān al-Ṣafā’,” Studia graeco-arabica, 8: 167–179. (Scholar)
• –––, 2019a, “Ismâ‘îli Onto-Cosmological Doctrines in the Manuscript Tradition of the Iḫwân al-Safâ’,” Shii Studies Review, 3: 33–58. (Scholar)
• –––, 2019b, “L’astrologia politica islamica: il caso degli Ikhwān al-Ṣafā’,” in M. Benedetto, P. Arfé and P. Porro eds., Stars, Kingdoms, Beliefs, and Masses. Political Astrology in the Mediterranean Area from the Middle Ages to the Renaissance / Le stelle, i regni, le credenze e le masse. L’astrologia politica nel Mediterraneo fra Medioevo e Rinascimento, monographic issue of Quaestio, Annuario di storia della metafisica / Annuaire d’histoire de la metaphysique / Jahrbuch fur die Geschichte der Metaphysik / Yearbook of the History of Metaphysics, 19: 33–49.
• –––, 2019c, “Onto-cosmology and Hierohistory in the Manuscript Tradition of the Rasâ’il Ikhwân al-Safâ’,” in O. Mir-Kasimov ed., Intellectual Interactions in the Islamic World: The Ismâ‘îli Thread. London: I.B. Tauris in association with The Institute of Ismaili Studies, pp. 193–218. (Scholar)
• –––, 2019d, “The Three Kinds of Rituals in Epistle 50 of the Ikhwān al-Ṣafā’,” in A. Pellitteri et al. eds., Re-defining a Space of Encounter. Islam and Mediterranean: Identity, Alterity and Interactions, Proceedings of the 28th Congress of the Union Europeenne des Arabisants et Islamisants, Palermo 2016 (Orientalia Lovaniensia Analecta 283), Leuven: Peeters, pp. 405–414. (Scholar)
• –––, 2020a, “Ikhwân al-Safâ’, Encyclopedia of”, in H. Lagerlund ed., Encyclopedia of Medieval Philosophy, Dordrecht: Springer, online https://doi.org/10.1007/978-94-024-1665-7_238. (Scholar)
• –––, 2020b, “The ‘Language of God’ in Muslim and Jewish Traditions: A Case Study,” in C. Ferrini ed., Human Diversity in Context, Trieste: EUT Edizioni Università di Trieste, pp. 121–142. (Scholar)
• Bausani, A., 1977, Review of S. Diwald, Arabische Philosophie und Wissenschaft in der Enzyklopädie Kitâb Iḫwân aṣ-Safâ’ (III): Die Lehre von Seele und Intellekt. Rivista degli Studi Orientali, 51: 322–326. (Scholar)
• –––, 1978, L’enciclopedia dei Fratelli della Purità. Riassunto, con Introduzione e breve commento, dei 52 Trattati o Epistole degli Ikhwân as-safa’, Napoli: Istituto Universitario Orientale. (Scholar)
• –––, 1985, “L’enciclopedia e il mondo arabo-islamico medievale,” Rivista di Storia della Filosofia, 1: 137–146.
• de Callataÿ, G., 2005, Ikhwân al-Safa’. A Brotherhood of Idealists on the Fringe of Orthodox Islam, Oxford: Oneworld. (Scholar)
• –––, 2008, World Cycles and Geological Changes According to the Brethern of Purity, in P. Adamson ed., In the Age of al-Fârâbî: Arabic Philosophy in the Fourth/Tenth Century, London – Turin: The Warburg Institute – Nino Aragno Editore, pp. 179–193. (Scholar)
• –––, 2014, “Philosophy and Bāṭinism in al-Andalus: Ibn Masarra’s Risālat al-I‘tibār and the Rasā’il Ikhwān al-ṣafā’,” Jerusalem Studies in Arabic and Islam, 41: 261–312. (Scholar)
• de Callataÿ, G., Moureau, S., 2015, “Towards the critical edition of the Rutbat al-ḥakîm: A few preliminary observations,” Arabica, 62: 385–394. (Scholar)
• –––, 2017, “A Milestone in the History of Andalusî Bâṭinism: Maslama b. Qâsim al-Qurtubî’s Riḥla in the East,” Histories of Books in the Islamicate World, 5: 86–117. (Scholar)
• Carusi, P., 2000, “Le traité alchimique Rutbat al-hakîm. Quelques notes sur son introduction,” Appendix to “Alchimia islamica e religione: la legittimazione difficile di una scienza della natura,” in C. Baffioni ed., Religion versus Science in Islam: a Medieval and Modern Debate, Oriente Moderno, 80: 491–502. (Scholar)
• Casanova, P., 1915, “Une date astronomique dans les Epîtres des Ikhwân as-Safa’,” Journal Asiatique, 5: 5–17. (Scholar)
• Corbin, H., 1950, “Rituel sabéen et exégèse du rituel,” Eranos Jahrbuch, 19: 181–246. (Scholar)
• –––, 1964, Histoire de la philosophie islamique, I. Des origines jusqu’à la mort d’Averroës, avec la collaboration de Seyyed Hosseïn Nasr et Osman Yahya, Paris: Gallimard. (Scholar)
• Daftary, F., 1998, A Short History of the Ismâ‘îlis, Edinburgh: Edinburgh University Press. (Scholar)
• –––, 2004, Ismâ‘îli Literature, London: Tauris in Association with the Institute of Ismaili Studies. (Scholar)
• –––, 2007, The Ismâ‘îlis. Their history and doctrines, second edition, Cambridge: Cambridge University Press. (Scholar)
• D’Ancona Costa, C., 1996, La casa della sapienza. La trasmissione della metafisica greca e la formazione della filosofia araba, Milano: Guerini e Associati. (Scholar)
• Darraz, Muhd Abdallah, 2012, “Islamic eco-cosmology in Ikhwân al-Safâ’s view,” Indonesian Journal of Islam and Muslim Societies, 2(1): 133–161. (Scholar)
• De Smet, D., 1999, “Le soleil, roi du ciel, dans la théologie astrale des Frères de la Pureté (Ihwân as-Safâ’),” in Le ciel dans les civilisations orientales – Heaven in the Oriental civilizations, Acta Orientalia Belgica, 12: 151–160. (Scholar)
• De Smet, D., 2017, “L’auteur des Rasâ’il Ikhwân al-Safâ’ selon les sources ismaeliennes ṭayyibites,” Shii Studies Review, 1: 151–166.
• El-Bizri, Nader, ed., 2008, The Ikhwân al-Safâ’ and their Rasâ’il, New York: Oxford University Press in Association with the Institute of Ismaili Studies. (Scholar)
• Farhan, Mohammed Jalub, 1999, “Philosophy of mathematics of Ikhwân al-Safa [sic],” Journal of Islamic Science [Aligarh], 15(1–2): 25–53. (Scholar)
• Fierro, M., 1996, “Bâtinism in al-Andalus. Maslama b. Qâsim al-Qurtubî (d.353/964), author of the Rutbat al-Hakîm and the Ghâyat al-Hakîm (Picatrix),” Studia Islamica, 84(2): 87–109. (Scholar)
• Gobillot, G., 2013, “L'éthique des Ikhwân al-Safâ’ dans son rapport au Coran,” in M.A. Amir-Moezzi ed., Islam: identité et altérité. Hommage à Guy Monnôt, o.p., Brepols: Turnhout, pp. 197–245. (Scholar)
• Goldziher, I., 1910, “Über die Benennung der ”Ichwan al-safa“,” Der Islam, 1: 22–26. (Scholar)
• Hamdani, Abbas, 1978, “Abu Hayyan al-Tawhidi and the Brethren of Purity,” International Journal of Middle Eastern Studies, 9(3): 345–353. (Scholar)
• –––, 1979, “An Early Fatimid source on the time and authorship of the Rasâ’il Ikhwân al-Safâ’,” Arabica, 26: 62–75. (Scholar)
• –––, 1996, “A Critique of Paul Casanova's Dating of the Rasâ’il Ikhwân al-Safâ’,” in F. Daftary ed., Medieval Isma‘ili History and Thought, Cambridge: Cambridge University Press, pp. 145–152. (Scholar)
• –––, 1999, “Brethren of Purity, a Secret Society for the Establishment of the Fatimid Caliphate: New Evidence for the Early Dating of their Enciclopædia,” in M. Barrucand ed., L’Egypte fatimide son art et son histoire, M. Barrucand (ed.), Paris: Presses de l’Université Paris-Sorbonne, pp. 73–82. (Scholar)
• –––, 2008, The Arrangement of the Rasâ’il Ikhwân al-Safâ’ and the Problem of Interpolations, in N. El-Bizri ed., The Ikhwân al-Safâ’ and their Rasâ’il, New York: Oxford University Press in Association with the Institute of Ismaili Studies, pp. 83–100. (Scholar)
• Heck, P.L., 2008, Doubts about the Religious Community (Milla) in al-Fârâbî and the Brethren of Purity, in P. Adamson ed., In the Age of al-Fârâbî: Arabic Philosophy in the Fourth/Tenth Century, London-Turin: The Warburg Institute-Nino Aragno Editore, pp. 195–213. (Scholar)
• Hijab, Muhammad Farid, 1982, Al-falsafa al-siyasiyya ‘inda Ikhwân al-Safâ’, s.l.: Al-hay’a al-misriyya al-‘amma li ’l-kitab. (Scholar)
• Kacimi, M., 2015, “Reflexiones sobre la relación de la Risâlat ǧâmi‘at al-ǧâmi‘a con los Iḫwân al-Safâ’,” eHumanista/IVITRA, 8: 328–338. (Scholar)
• –––, 2016, “The Sufi thought in the Rasa’il Ihwan al-Safa’,” Med/Trans, 4: 1–13. (Scholar)
• –––, 2017, “El pensamiento baṭinî en al-Andalus: reflexiones a partir de la Rutbat al-ḥakîm y la Gâyat al-ḥakîm (s. IV H./X E.C.),” Estudios sobre patrimonio, cultura y ciencias medievales, 19: 729–752. (Scholar)
• –––, 2019, “Los Ijwân al-safâ’ contra el estado abasí. Acción política en relación con los diversos estados de su época,” Al-Qantara: Revista de Estudios Árabes, 40(2): 355–384. (Scholar)
• Kraemer, J. L., 1986, Philosophy in the Renaissance of Islam. Abû Sulaymân al-Sijistânî and his Circle, Leiden: Brill. (Scholar)
• –––, 1987, “The jihad of the falasifa,” Jerusalem Studies in Arabic and Islam, 10: 288–324. (Scholar)
• –––, 1992, Humanism in the Renaissance of Islam. The Cultural Revival during the Buyid Age, Leiden-New York-Köln: Brill. (Scholar)
• Kraus, P., 1986, Jabir ibn Hayyan. Contribution à l’histoire des idées scientifiques dans l’Islam. Jabir et la science grecque, Paris: Les Belles Lettres (anast. repr.). (Scholar)
• Lewis, B., 1943, “An Epistle on Manual Crafts,” Islamic Culture, 17: 141–151. (Scholar)
• Madelung, W., 2018, “Maslama al-Qurtubî’s Contribution to the Shaping of the Encyclo­pedia of the Ikhwân al-Safâ’,” in A. Straface et al. ed., Labor limae. Atti in onore di Carmela Baffioni, Prefazione di W. Madelung. Studi Magrebini (n.s.), 12–13 (2014–2015), Tomo I, pp. 403–417. (Scholar)
• Madelung in print, “The Fatimid Attitude toward the Umayyad Caliphate as Reflected in the Sermons of Abū ‘Abd Allâh al-Shî‘î and the Attitude of the Ikhwân al-Safâ’”. Paper presented at the International Conference “Fatimids and Umayyads: Competing Caliphates”, London, The Institute of Ismaili Studies, 23–25 September 2016. (Scholar)
• Marquet, Y., 1961, “La place du travail dans la hiérarchie isma‘ílienne d’après L’encyclopédie des Frères de la Pureté,” Arabica, 8: 225–237. (Scholar)
• –––, 1962, “Imamat, resurrection et hiérarchie selon les Ikhwan as-Safa,” Revue des Etudes islamiques, 30: 49–142. (Scholar)
• –––, 1966, “Sabéens et Ihwan al-Safâ’,” Studia Islamica, 24: 35–80. (Scholar)
• –––, 1967, “Sabéens et Ihwan al-Safâ’,” Studia Islamica, 25: 77–109. (Scholar)
• –––, 1968, “Ikhwân al-Safâ,” in Encyclopedia of Islam, New Edition, III, Leiden: Brill, 1071–1076. (Scholar)
• –––, 1972, “Les cycles de la souveraineté selon les épîtres des Iḫwân al-Safâ’,” Studia Islamica, 36: 47–69. (Scholar)
• –––, 1973, La philosophie des Ihwan as-Safâ’: l’imâm et la société, (Travaux et documents N° 1), Dakar: Université de Dakar, Faculté des Lettres et Sciences Humaines, Departement d’arabe. (Scholar)
• –––, 1975, La philosophie des Ihwan al-Safa', Alger: Etudes et Documents. (Scholar)
• –––, 1977, “Ihwân al-safâ’, Ismaïliens et Qarmates,” Arabica, 24: 233–257. (Scholar)
• –––, 1981, “Les Ihwan al-Safâ’ et l'Ismaïlisme,” in Convegno sugli Ihwan al-Safa', Roma: Accademia nazionale dei Lincei, pp. 69–96. (Scholar)
• –––, 1985, “Les Épîtres des Ikhwân as-Safâ’, œuvre ismaïlienne,” Studia Islamica, 61: 57–79. (Scholar)
• –––, 1988, La philosophie des alchimistes et l’alchimie des philosophes. Jâbir ibn Hayyân et les «Frères de la Pureté», Paris: Maisonneuve et Larose. (Scholar)
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