Um consagrado estudo sobre o pensamento de Plotino, por um notável pensador cristão do início do século XX:
The Philosophy of Plotinus (Gifford Lectures)
- 3 OF THE PARTS OF THE SOUL.
- 3 SECOND ENNEAD, BOOK FOUR. Of Matter. (Da Matéria)
- 4 OF THE DIFFERENCE OF THE PARTS. AND OF THE FACULTIES OF THE SOUL.
- 4 THIRD ENNEAD, BOOK SIX. Of the Impassibility of Incorporeal Things.
- 6 FOURTH ENNEAD, BOOK TWO. Of the Nature of the Soul.
- 7 FOURTH ENNEAD, BOOK THREE. Problems About the Soul.
- 9 FIFTH ENNEAD, BOOK TWO. Of Generation and of the Order of Things that Follow the First.
- A psyche no Neoplatonismo
- A.H. Armstrong (inglês)
- Agamben: Damascio