Complete editions of the encyclopedia have been printed at least three times: •
Kitāb Ikhwān al-Ṣafā' (edited by Wilayat Husayn, Bombay 1888) • ''Rasā'il Ikhwān al-Ṣafā''' (edited by Khayr al-din al-Zarkali with introductions by Tāha Ḥusayn and Aḥmad Zakī Pasha, in 4 volumes, Cairo 1928) • ''Rasā'il Ikhwān al-Ṣafā''' (4 volumes, Beirut: Dār Ṣādir 1957) The
Encyclopedia has been widely translated, appearing not merely in its original Arabic, but in German, English, Persian, Turkish, and Hindustani. a complete translation of the
Encyclopedia into
English does not exist as of 2006, although
Friedrich Dieterici (Professor of Arabic in Berlin) translated the first 40 of the epistles into German; presumably, the remainder have since been translated. The "Island of Animals" have been translated several times in differing completion; the fifth risalah, on music, has been translated into English as have the 43rd through the 47th epistles. , the first complete Arabic
critical edition and annotated English translation of the
Rasa’il Ikhwan al-Safa’, with English commentaries, is being published by
Oxford University Press in association with London's
Institute of Ismaili Studies. The series' General Editor is
Nader El-Bizri. This series began in 2008 with an introductory volume of studies edited by
Nader El-Bizri, and continued with the publication of: • Epistle 22:
The Case of the Animals versus Man Before the King of the Jinn (eds. trans. L. Goodman & R. McGregor) • Epistle 5:
On Music (ed. trans. O. Wright, 2010) • Epistles 10–15:
On Logic (ed. trans. C. Baffioni, 2010) • Epistle 52a:
On Magic, Part I (eds. trans. G. de Callatay & B. Halflants, 2011) • Epistles 1–2:
Arithmetic and Geometry (ed. trans. N. El-Bizri, 2012) • Epistles 15–21:
Natural Sciences (ed. trans. C. Baffioni, 2013) • Epistle 4:
Geography (ed. trans. I Sanchez and J. Montgomery, 2014) • Epistle 3:
On "Astronomia" (ed. trans. J. F. Ragep and T. Mimura, 2015) • Epistles 32–36:
Sciences of the Soul and Intellect, Part I (ed. trans. I. Poonawala, G. de Callatay, P. Walker, D. Simonowitz, 2015) • Epistles 39–41:
Sciences of the Soul and Intellect, Part III (2017) • Epistles 43–45:
On Companionship and Belief (2017) • Epistles 6–8:
On Composition and the Arts (Nader El-Bizri, 2018) • Epistle 48:
The Call to God (Abbas Hamdani and Abdallah Soufan, 2019) • Epistles 49–51:
On God and the World (Wilferd Madelung, 2019) • Epistles 29–31:
On Life, Death, and Languages (Eric Ormsby, 2021) Both the editors' approach to the project and the quality of its English translations have been criticized. ==See also==