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Abū Ṭālib al-Makkī, Ḳūt al-Ḳulūb Nourishment of Hearts (Cairo 1310).
Basil, Opera omnia Complete Works, ed. Garnier (Paris 1722).
A. Dieterich, Eine Mithrasliturgie A Mithras Liturgy² (Leipzig and Berlin 1910).
Dionysius the Areopagite, Opera omnia Complete Works, ed. Lansselius (Paris 1615).
Evagrius Ponticus, ed. Frankenberg in Abhandlungen der kgl. Gesellschaft der Wissenschaften zu Göttingen Transactions of the Royal Society of Sciences at Göttingen, phil.-hist. class, New Series, Vol. XIII, No. 2.
Evagrius, Nonnenspiegel und Mönchsspiegel Mirror for Nuns and Mirror for Monks, ed. Gressmann in Texte und Untersuchungen Texts and Researches ed. by Harnack and Schmidt, III, 9, 4.
A. L. Frothingham, Stephen bar Sudaili (Leiden 1886).
Ghazālī, Iḥyā' 'Ulūm al-Dīn The Revival of the Religious Sciences (Cairo 1282).
Ghazālī, al-Munḳidh min al-Ḍalāl Deliverance from Error, ed. Schmölders (Paris 1842).
Ibn al-'Arabī, Kunh mā lā budda minhu li 'l-murīd The Essence of What is Necessary for the Seeker (Cairo 1328).
Ibn 'Aṭā'allāh, Ḥikam Aphorisms with al-Rondī's commentary (Cairo 1310).
Isaac of Nineveh, De perfectione religiosa On Religious Perfection, ed. Bedjan (Paris 1909).
Iamblichus, Vita Pythagorae Life of Pythagoras, ed. Kuster (Amsterdam 1707).
Iamblichus, De mysteriis On the Mysteries, ed. Parthey (Berlin 1857).
Jehuda Chasid, Sefer Chasidim Book of the Pious (Cracow 1581).
John Climacus, Opera omnia Complete Works, ed. Raderus (Paris 1633).
Ḳushairī, al-Risāla fī'l-taṣawwuf The Treatise on Sufism (Cairo 1287).
Plotinus, Enneades Enneads with the corrected interpretation of Marsilio Ficino, edited by Frid. Creuzer and Georg Henricus Moser (Paris 1855).
Porphyry, Ad Marcellam To Marcella, ed. Angelus Maius (Milan 1816).
Porphyry, De abstinentia ab esu animalium On Abstinence from Animal Food, ed. De Rhoer (Utrecht 1767).