| 2681 | PRO4.1 | Theodorus Prodromus | Theodori Prodromi Catomyomachia | da |
| 2682 | PSE1.1 | Anonymous; Psellos, Michael | Miscellanea Philosophica. A Miscellany in the Tradition of Michael Psellos | da |
| 2683 | PSE1.2.1 | Michael Psellus | Theologica vol.1 (ed. Gautier) | da |
| 2684 | PSE1.3.1 | Michael Psellos | Chronographie ou histoire d'un siècle de Byzance : (976 - 1077). Tome 1 | da |
| 2685 | PSE1.3.2 | Michael Psellos | Chronographie ou histoire d'un siècle de Byzance : (976 - 1077). Tome 2 | da |
| 2686 | PT11 | | Przeglad Tomistyczny. Tom XI 2005 | da |
| 2687 | PT16 | | Przeglad Tomistyczny. Tom XVI 2010 | da |
| 2688 | PT17 | | Przeglad Tomistyczny. Tom XVII 2011 | da |
| 2689 | PT21 | | Przeglad Tomistyczny. Tom XXI 2015 | da |
| 2690 | PTO1.1.1 | Ptolemeus | Syntaxis mathematica, vol. I | da |
| 2691 | PTO1.1.2 | Ptolemeus | Syntaxis mathematica, vol. II | da |
| 2692 | PTO1.2 | Ptolemeus | Apotelesmatika | da |
| 2693 | PTO1.3 | Ptolemeus | Opera astronomica minora | da |
| 2694 | PTO1.4 | Ptolemeus | Peri kritikou kai hegemonikou | da |
| 2695 | PUI1.1 | Puig Montada, Jose | Maimonides - Esencial | da |
| 2696 | PUI2.1 | Puig, Jaume de | Les sources de la pensée philosophique de Raimond Sebond (Ramon Sibidua) | da |
| 2697 | PUT1.1 | Putallaz, Francois-Xavier | La connaissance de soi au XIIIe siecle. De Matthieu d'Aquasparta a Thierry de Freiberg | da |
| 2698 | PUT1.2 | Putallaz, Francois-Xavier; Imbach, Ruedi | Profession: Philosophe. Siger de Brabant | da |
| 2699 | Quae48 | | QUAERENDO. A journal Devoted to Manuscripts and Printed Books | da |
| 2700 | QUI1.1.1 | M. F. Quintilian | Institutionis oratoriae libri duodecim, vol. I (libri I-VI) | da |
| 2701 | QUI1.1.2 | M. F. Quintilian | Institutionis oratoriae libri duodecim, vol. II (libri VII-XII) | da |
| 2702 | QUI1.2.1 | Quintilianus | Institutionis Oratoriae | da |
| 2703 | QUI2.1 | anonim | Quinque Claves Sapientiae, Rudium doctrina, Bonvicini de Ripa Vita Scolastica | da |
| 2704 | QUI3.1 | Quillet, Jeannine | Autour de Nicole Oresme: actes du Colloque Oresme | da |
| 2705 | QUI4.1 | Quinones, Ricardo J. | The Renaissance discovery of time | da |
