| 2426 | ORE1.2 | Oresme, Nicole | Quaestiones super De generatione et corruptione | da |
| 2427 | ORI1.1.1 | Origen | Commentaire sur S. Jean (tome I, livres I-V) | da |
| 2428 | ORI1.2 | Origen | Homelies sur l'Exode | da |
| 2429 | ORI1.3.1 | Origenes | Schriften von Gebet und Ermahnung zum Martyrium, band I | da |
| 2430 | ORI1.3.2.1 | Origenes | Acht bucher gegen Celsus, band II, teil I, buch I-IV | da |
| 2431 | ORI1.3.2.2 | Origenes | Acht bucher gegen Celsus, band II, teil II, buch V-VIII | da |
| 2432 | Orie46 | *** | ORIENS. Journal of Philosophy, Theology and Science in the Islamic Societies | da |
| 2433 | ORO1.1 | Paulus Orosius | Historiarum Adversus Paganos | da |
| 2434 | ORT1.1 | Ortúzar Escudero, María José | Die Sinne in den Schriften Hildegards von Bingen. Ein Beitrag zur Geschichte der Sinneswahrnehmung | da |
| 2435 | OSB1.1.1 | Osbernus de Gloucester | Derivazioni, vol. I | da |
| 2436 | OSB1.1.2 | Osbernus de Gloucester | Derivazioni, vol. II | da |
| 2437 | OSW1.1 | Oswald, Dana M. | Monster, Gender and Sexuality in Medieval English Literature | da |
| 2438 | OUY1.1.1 | Gilbert Ouy | Les Manuscrits de L'Abbaye de Saint-Victor, vol. I | da |
| 2439 | OUY1.1.1#2 | Ouy, Gilbert | Les Manuscrits de L'Abbaye de Saint-Victor, vol. I | da |
| 2440 | OUY1.1.2 | Gilbert Ouy | Les Manuscrits de L'Abbaye de Saint-Victor, vol. II | da |
| 2441 | OUY1.1.2#2 | Ouy, Gilbert | Les Manuscrits de L'Abbaye de Saint-Victor, vol. II | da |
| 2442 | OVI1.1 | Publius Ovidius Naso | Les Fastes (ed. Th. Burette) | da |
| 2443 | OVI1.2 | Publius Ovidius Naso | Metamorphoses | da |
| 2444 | OVI1.3 | Publius Ovidius Naso | Fasti | da |
| 2445 | OVI1.4.2 | Publius Ovidius Naso | Les Fastes, Livre II | da |
| 2446 | OVI1.5 | Herescu, Nicolae I. (ed.) | Ovidiana. Recherches sur Ovide | da |
| 2447 | OZO1.1 | Ożóg, Krzysztof | The Role of Poland in the Intellectual Development of Europe in the Middle Ages | da |
| 2448 | PAB1.1 | Pabst, Bernhard | Atomtheorien des Lateinischen Mittelalters | nu |
| 2449 | PAC1.1 | Pachymeres, George | Commentary on Plato's Parmenides | da |
| 2450 | PAC2.1 | Pacaut, Marcel | Les ordres monastiques et religieux au Moyen Âge | da |
| 2451 | PAG1.1 | Page, D. L. (ed.) | Epigrammata graeca | da |
| 2452 | PAK1.1 | ibn Paḳudah, Baḥye ben Yosef | The book of directions to the duties of the heart | da |
| 2453 | PAL1.1 | Paluch, Michal; Lichacz, Piotr | Dominicans and the Challenge of Thomism | da |
| 2454 | PAL2.1 | Grigorie Palama (Saint Gregory Palamas) | Dal sovraessenziale all'essenza. Testo greco a fronte | da |
| 2455 | PAL2.2 | Grigorie Palama (Saint Gregory Palamas) | Atto e luce divina. Scritti filosofici e teologici. Testo greco a fronte | nu |
| 2456 | PAL3.1. | Palmén, Ritva | Richard of St. Victor's theory of imagination | da |
| 2457 | PAM1.1 | Pamprepius | Carmina | da |
| 2458 | PAN1.1 | Panaccio, Claude | Le discours interieur, de Platon a Guillaume d'Ockham | nu |
| 2459 | PAN1.2 | Panaccio, Claude (ed.) | Le nominalisme: ontologie, langage, connaissance (Textes clés du nominalisme) | da |
| 2460 | PAN2.1 | Paniagua, David; Sanz, Adelaida Andres (eds.) | Formaas de Acceso al Saber en la Antiguedad Tardia y la Alta Edad Media. La Transmision del Conocimiento dendro y fuera de la Escuela | da |
| 2461 | PAO1.1 | Paoli, Ugo Enrico | Die Frau im alten Hellas | da |
| 2462 | PAP1.1 | Papahagi, Adrian | Boethiana medievalia | da |
| 2463 | PAP1.2 | Papahagi, Adrian (coordonator) | Vocabularul cartii manuscrise | da |
| 2464 | PAP1.3 | Adrian Papahagi | Wyrd. Ideea destinului în literatura engleză veche | da |
| 2465 | PAP1.4 | Papahagi, Adrian (coord.) | Manuscrisele medievale occidentale din România: Census | da |
| 2466 | PAP2.1 | Papacostea, Cezar | Evolutia Gandirii la Greci: Stefan Zeletin- viata si opera lui | da |
| 2467 | PAP3.1 | Papahagi, Cristina (trad.) | Cântarea despre Guillaume | da |
| 2468 | PAP4.1 | Papadis, Dimitris | Die Seelenlehre bei Alexander von Aphrodisias | da |
| 2469 | PAR1.1 | Parisse, Michel | Manuel de paléographie médiévale | nu |
| 2470 | PAR2.1 | Pareti, Luigi | Il mondo greco-romano | da |
| 2471 | PAR3.1 | Parry, J.; Bloch, M. | Money and the Morality of Exchange | da |
| 2472 | PAR4.1 | Park Katharine | Secrets of Women. Gender, Generation and the Origins of Human Dissection | da |
| 2473 | PAS1.1 | Pasnau, Robert | Theories of cognition in the Later Middle Ages | da |
| 2474 | PAS1.2 | Pasnau, Robert | The Cambridge Translations of Medieval Philosophical Texts | da |
| 2475 | PAS2.1 | Pasalodos Requejo, Sergio | Michele Savonarola y el primer tratado panitaliano de balneis | da |
