| 2426 | NUM1.1 | Numenius | Fragments, ed. Edouard des Places | da |
| 2427 | NUS1.1 | Martha C. Nussbaum, Amelie Oksenberg Rorty (eds.) | Essays on Aristotle's De anima | da |
| 2428 | NUY1.1 | Nuyens, Francois | L'evolution de la psychologie d'Aristote | da |
| 2429 | NYS1.1 | Sfantul Grigore de Nyssa | Viata sfintei Macrina | da |
| 2430 | NYS1.2 | Gregor von Nyssa | Schriften | da |
| 2431 | NYS1.3 | Dörrie, H.; Altenburger,M.; Schramm, U. (ed.) | Gregor von Nyssa und die Philosophie | da |
| 2432 | OAK1.1 | John H. Oakley andd Rebecca H. Sinos | The Wedding in Ancient Athens | nu |
| 2433 | OAN1.1 | Oancea, Maria Luiza | Limba greacă veche. Sintaxa cazurilor. O nouă teoretizare | da |
| 2434 | OAN1.2 | Oancea, Maria Luiza (ed.) | Capita selecta iuvenum | da |
| 2435 | OBE1.1 | Obermeier, Anita | The history and anatomy of auctorial self-criticism in the European Middle Ages | da |
| 2436 | OBR1.1 | O`BRIEN, D. | Pour interpreter Empedocle | da |
| 2437 | OCK1.1.1 | Guillelmus de Ockham | Opera Politica I | da |
| 2438 | OCK1.1.2 | Guillelmus de Ockham | Opera Politica II | da |
| 2439 | OCK1.1.3 | Guillelmus de Ockham | Opera Politica III | da |
| 2440 | OCK1.1.4 | Guillelmus de Ockham | Opera Politica IV | da |
| 2441 | OCK1.1.4#2 | Guillelmus de Ockham | Opera Politica IV | da |
| 2442 | OCK1.2 | Ockham, William | Traite sur la predestination | da |
| 2443 | OCK1.3 | Ockham, William | Despre universalii | da |
| 2444 | OCK1.4 | Ockham, William | Über die Verknüpfung der Tugenden | da |
| 2445 | OCK1.5 | Ockham, William | Texte zur Theorie der Erkenntnis und der Wissenschaft | da |
| 2446 | OCK1.6 | Ockham, William | Texte zur Theorie der Erkenntnis und der Wissenschaft et Summa logicae, I, 14-25 şi II, 27 | da |
| 2447 | OCK1.7 | Ockham, William | Intuition et abstraction | da |
| 2448 | OCK1.8.1 | Guillelmus de Ockham | Dialogus : Part 1, books 1-5 | nu |
| 2449 | OCK1.9.2 | Guillelmus de Ockham | Opera Philosophica II | da |
| 2450 | OGL1.1 | Ogliari, D. | Gratia et certamen. The Relationship between Grace and Free Will in the Discussion of Augustine with the so-called Semipelagians | nu |