| 2901 | NOU1.1 | Nouhaud, Michel | L`utilisation | da |
| 2902 | NUC1.2 | Nuchelmans, Gabriel | Late-Scholastic and Humanist Theories of Proposition | da |
| 2903 | NUC1.1 | Nuchelmans, Gabriel | Theories of the Proposition. Ancient and medieval conceptions of the bearers of truth and falsity | da |
| 2904 | NUM1.1 | Numenius | Fragments, ed. Edouard des Places | da |
| 2905 | NUY1.1 | Nuyens, Francois | L'evolution de la psychologie d'Aristote | da |
| 2906 | OME1.1 | O'Meara, Dominic | Plotin. Une introduction aux Enneades | da |
| 2907 | OME1.2 | O'Meara, Dominic J. | Cosmology and politics in Plato's later works | da |
| 2908 | OAN1.1 | Oancea, Maria Luiza | Limba greacă veche. Sintaxa cazurilor. O nouă teoretizare | da |
| 2909 | OAN1.2 | Oancea, Maria Luiza (ed.) | Capita selecta iuvenum | da |
| 2910 | HTKNT11.2.1 | Oberlinner, Lorenz | Die Pastoralbriefe. Erster Timotheusbrief | da |
| 2911 | HTKNT11.2.2 | Oberlinner, Lorenz | Die Pastoralbriefe. Zweiter Timotheusbrief | da |
| 2912 | HTKNT11.2.3 | Oberlinner, Lorenz | Die Pastoralbriefe. Titusbriefe | da |
| 2913 | OBE1.1 | Obermeier, Anita | The history and anatomy of auctorial self-criticism in the European Middle Ages | nu |
| 2914 | ~C.118 | Obrist, Barbara | La cosmologie medievale. Textes et images. I. Les fondements antiques | da |
| 2915 | CON1.2 | Obrist, Barbara; Caiazzo, Irene (eds.) | Guillaume de Conches: Philosophie et science au XIIe siècle | da |
| 2916 | OCK1.4 | Ockham, William | Über die Verknüpfung der Tugenden | da |
| 2917 | OCK1.3 | Ockham, William | Despre universalii | da |
| 2918 | OCK1.5 | Ockham, William | Texte zur Theorie der Erkenntnis und der Wissenschaft | da |
| 2919 | OCK1.6 | Ockham, William | Texte zur Theorie der Erkenntnis und der Wissenschaft et Summa logicae, I, 14-25 şi II, 27 | da |
| 2920 | OCK1.2 | Ockham, William | Traite sur la predestination | da |
| 2921 | OCK1.7 | Ockham, William | Intuition et abstraction | da |
| 2922 | ~E.1 | Oelmueller;Doelle-Oelmuler;Ebach;Przybyzski | Diskurs:Religion | da |
| 2923 | 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 |
| 2924 | OLI1.1 | Oliva, Adriano | Les débuts de l'enseignement de Thomas d'Aquin et sa conception de la Sacra doctrina | da |
| 2925 | OLI2.2 | Olivi, Jean Pierre | Über die menschliche Freiheit | da |
| 2926 | OLI2.1 | Olivi, Jean Pierre | Quaestiones in secundum librum sententiarum ( 72-118) | da |
| 2927 | OLI2.3 | Olivi, Jean Pierre | Traite des contrats | da |
| 2928 | OLI2.6.1 | Olivi, Jean Pierre | Quaestiones in secundum librum Sententiarum, vol. I | da |
| 2929 | OLI2.6.2 | Olivi, Jean Pierre | Quaestiones in secundum librum Sententiarum, vol. II | da |
| 2930 | OLI2.6.3 | Olivi, Jean Pierre | Quaestiones in secundum librum Sententiarum, vol. III | da |
| 2931 | OLI2.5 | Olivi, Jean Pierre | Lecturae super Pauli Epistolas | da |
| 2932 | BOU3.5 | Olivier Boulnois, Elizabeth Karger, Jean-Luc Solere, Gerard Sondag (eds.) | Duns Scot a Paris 1302-2002. Actes du colloque de Paris, 2-4 septembre 2002 | da |
| 2933 | OLS1.1.4.1 | Olsen, Birger Munk | L'étude des auteurs classiques latins aux XIe et XIIe siècles | da |
| 2934 | OLY1.1 | Olympiodoros | In Platonis Gorgias Commentarium | da |
| 2935 | ORA1.1 | Oram, Richard D. | The reign of Alexander II, 1214-49 | da |
| 2936 | ORE1.2 | Oresme, Nicole | Quaestiones super De generatione et corruptione | da |
| 2937 | ORI1.1.1 | Origen | Commentaire sur S. Jean (tome I, livres I-V) | da |
| 2938 | ORI1.2 | Origen | Homelies sur l'Exode | da |
| 2939 | ORI1.3.1 | Origenes | Schriften von Gebet und Ermahnung zum Martyrium, band I | da |
| 2940 | ORI1.3.2.2 | Origenes | Acht bucher gegen Celsus, band II, teil II, buch V-VIII | da |
| 2941 | ORI1.3.2.1 | Origenes | Acht bucher gegen Celsus, band II, teil I, buch I-IV | da |
| 2942 | ORT1.1 | Ortúzar Escudero, María José | Die Sinne in den Schriften Hildegards von Bingen. Ein Beitrag zur Geschichte der Sinneswahrnehmung | da |
| 2943 | OSB1.1.1 | Osbernus de Gloucester | Derivazioni, vol. I | da |
| 2944 | OSB1.1.2 | Osbernus de Gloucester | Derivazioni, vol. II | da |
| 2945 | OSW1.1 | Oswald, Dana M. | Monster, Gender and Sexuality in Medieval English Literature | da |
| 2946 | REG1.1 | Otto Regenbogen | Schmerz und tod in den tragodien Senecas | da |
| 2947 | OUY1.1.1#2 | Ouy, Gilbert | Les Manuscrits de L'Abbaye de Saint-Victor, vol. I | da |
| 2948 | OUY1.1.2#2 | Ouy, Gilbert | Les Manuscrits de L'Abbaye de Saint-Victor, vol. II | da |
| 2949 | OZO1.1 | Ożóg, Krzysztof | The Role of Poland in the Intellectual Development of Europe in the Middle Ages | da |
| 2950 | OBR1.1 | O`BRIEN, D. | Pour interpreter Empedocle | da |
