| 476 | X-ris1.1 | Rist, John M. | Ideas of individuals in Plotinus | da |
| 477 | X-ris1.2 | Rist, John M. | The indefinite dyad and intelligible matter in Plotinus | da |
| 478 | x-ris1.3 | Rist, John M. | Integration and the undescended soul in Plotinus | da |
| 479 | x-rit1.1 | Ritchie, A.D. | A Defence of Aristotle's Logic | da |
| 480 | X-rob2.1 | Robiglio, Andrea | Breaking the Great Chain of Being: a note on the Paris condemnations of 1277, Thomas Aquinas and the proper subject of metaphysics | da |
| 481 | x-rob1.1 | Robinson, Richard | Up and down in Plato's Logic | da |
| 482 | X-roe1.1 | Roesner, Martina | Continu, individu, esprit. la conception du temps chez le jeune Heidegger face a la théorie du temps de Dietrich de Freiberg | da |
| 483 | x-ron1.1 | Ronzani, R. | La tradizione manoscritta dei ,,Dialogi" di Gregorio Magno in Spagna | da |
| 484 | X-ror1.1 | Rorty, Richard | Quatre manieres d'ecrire l'histoire de la philosophie | da |
| 485 | X-ros1.1 | Rosen, Stanley | Un futur anterieur | da |
