Frederick Copleston, "A History of Philosophy, Vol. 1: Greece and Rome From the Pre-Socratics to Plotinus" English | ISBN: 0385468431 | | 544 pages | PDF | 12 MB
A. A. Long, "Selfhood and Rationality in Ancient Greek Philosophy: From Heraclitus to Plotinus" English | ISBN: 0198803397 | 2023 | 288 pages | PDF | 2 MB
Plotinus, Lloyd P. Gerson, Andrew Smith, George R. Boys-Stones, John M. Dillon, James Wilberding, R. A. H. King, "Plotinus: The Enneads" ISBN: 1107001773, 1108712428 | 2011 | EPUB | 938 pages | 3 MB
Plotinus Ennead III.4: On Our Allotted Guardian Spirit: Translation with an Introduction and Commentary by Wiebke-Marie Stock English | 2020 | ISBN: 1733535705 | 312 Pages | True PDF | 13.5 MB
Plotinus and the Presocratics: A Philosophical Study of Presocratic Influences in Plotinus' Enneads (Suny Series in Ancient Greek Philosophy) by Giannis Stamatellos English | March 15, 2007 | ISBN: 079147061X, 0791470628 | PDF | 282 pages | 1.8 MB