- The Mysticism of Plotinus by Evelyn Underhill, 2005-12-30
- From Aristotle to Plotinus (Philosophers Speak For Themselves Phoenix Books, 8)
- Porphyry's Launching-Points to the Realm of Mind: An Introduction to the Neoplatonic Philosophy of Plotinus by Porphyry, 1988-11
- Plotinus on the Beautiful (Neoplatonism: Theology for Wanderers in the New Millennium, Book Three) by Manly P. Hall, 2006-06-01
- Essential Plotinus by trans. & intro. [Plotinus]; Elmer O'Brien, 1964
- Wisdom of Plotinus by Charles J. Whitby, 1997-03
- Plotinus and Freedom: A Study of Enneads 6:8 (Studies in the History of Philosophy, Vol 9) by Laura Westra, 1990-09
- The Philosophy of Plotinus: The Gifford Lectures at St. Andrews, 1917 - 1918 ( VOL. 1&2 ) by W. R. Inge, 2003-07
- Plotinus, Tolma, and the Descent of Being: An Exposition and Analysis (American University Studies Series V, Philosophy) by N. Joseph Torchia, 1993-12
- Vida De Plotino Eneadas I-II/ The Life of Plotinus, Enneads I-II (Biblioteca Clasica Gredos)
- The One and Its Relation to the Intellect in Plotinus: A Commentary on Selected Texts.(Brief Article): An article from: The Review of Metaphysics by Leo J. Elders, 1993-09-01
- The Philosophy of Plotinus by Emile Brehier, 1958
- From Ariststle To Plotinus by Smith, 1956
- Platonism Pagan and Christian: Studies in Plotinus and Augustine (Variorum Collected Studies Series, 719) by Gerard O'Daly, 2001-10
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