| 411 | Carte | NIC1.1#2 | Autrécourt, Nicolas d' | Correspondance, articles condamnés [1335-1336] | da |
| 412 | Carte | NUC1.2 | Nuchelmans, Gabriel | Late-Scholastic and Humanist Theories of Proposition | da |
| 413 | Carte | OBE1.1 | Obermeier, Anita | The history and anatomy of auctorial self-criticism in the European Middle Ages | nu |
| 414 | Carte | OCK1.6 | Ockham, William | Texte zur Theorie der Erkenntnis und der Wissenschaft et Summa logicae, I, 14-25 şi II, 27 | da |
| 415 | Carte | OCK1.8.1 | Guillelmus de Ockham | Dialogus : Part 1, books 1-5 | nu |
| 416 | Carte | 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 |
| 417 | Carte | OLI2.1 | Olivi, Jean Pierre | Quaestiones in secundum librum sententiarum ( 72-118) | da |
| 418 | Carte | OLI2.4 | Alain Boureau et Sylvain (eds.) | Pierre de Jean OLivi (1248-1298), pensee scolastique, dissidence spirituelle et societe | da |
| 419 | Carte | ORA1.1 | Oram, Richard D. | The reign of Alexander II, 1214-49 | da |
| 420 | Carte | ORI1.1.1 | Origen | Commentaire sur S. Jean (tome I, livres I-V) | da |
