CONTENTS -- Preface -- List of Contributors -- Introduction -- A. EARLY PERIOD -- Philo of Alexandria and Platonist Psychology (John Dillon) -- St Paul on Soul, Spirit and the Inner Man (George H. van Kooten) -- B. CHRISTIAN TRADITION -- Faith and Reason in Late Antiquity: The Perishability Axiom and Its Impact on Christian Views about the Origin and Nature of the Soul (Dirk Krausmüller) -- The Nature of the Soul According to Eriugena (Catherine Kavanagh) -- C. ISLAMIC TRADITION -- Aristotle's Categories and the Soul: An Annotated Translation of al-Kindï's That There are Separate Substances (Peter Adamson and Peter E. Pormann) -- Private Caves and Public Islands: Islam, Plato and the Ikhwän al-Safä (Ian Richard Netton) -- Tradition and Innovation in the Psychology of Fakhr al-Dïn al-Räzï (Maha Elkaisy-Friemuth) -- D. JUDAIC TRADITION -- The Soul in Jewish Neoplatonism: A Case Study of Abraham Ibn Ezra and Judah Halevi (Aaron W. Hughes) -- Maimonides, the Soul and the Classical Tradition (Oliver Leaman) -- E. LATER MEDIEVAL PERIOD -- St. Thomas Aquinas's Concept of the Human Soul and the Influence of Platonism (Patrick Quinn) -- Intellect as Intrinsic Formal Cause in the Soul according to Aquinas and Averroes (Richard C. Taylor) -- Bibliography -- Index of Names -- Index of Concepts and Places.