| 3401 | SIG1.7 | Brabant, Siger de; Delhaye, Philippe | Questions sur la Physique D'Aristote | da |
| 3402 | SIG1.8 | Siger de Brabant | Questio de creatione ex nihilo | da |
| 3403 | SIL1.1 | Silagi, Gabriel | Untersuchungen zur 'Deliberatio supra hymnum trium puerorum' des Gerhard von Csanad | da |
| 3404 | SIL2.1.1 | Silius Italicus | Punica, vol. 1 | da |
| 3405 | SIL2.1.2 | Silius Italicus | Punica, vol. 2 | da |
| 3406 | SIL3.1 | Silver, Daniel | Maimonidean Criticism and the Maimonidean Controversy, 1180 - 1240 | nu |
| 3407 | SIM1.1 | Simon, Bennett | Mind And Madness In Ancient Greece. The Classical Roots of Modern Psychiatry | da |
| 3408 | SIM2.1.1 | Simplicius | Commentaire sur les categories d'Aristote : traduction de Guillaume de Moerbeke (vol. I) | da |
| 3409 | SIM2.1.2 | Simplicius | Commentaire sur les categories d'Aristote : traduction de Guillaume de Moerbeke (vol. II) | da |
| 3410 | SIM2.2.1 | Simplicius | Commentaire sur le traité Du ciel d'Aristote : traduction de Guillaume de Moerbeke (vol. I) | nu |
| 3411 | SIN1.1 | Singer, Samuel | Apolonius von Tyrus. Untersuchungen uber das Fortleben des antiken Romans in spartern zeiten | da |
| 3412 | SIN2.1 | Sinaiko, Herman L. | Love, Knowledge, and Discourse in Plato: Dialogue and Dialectic in Phaedrus, Republic, Parmenides | da |
| 3413 | SIR1.1 | Sirat, Colette | La philosophie juive médiévale en pays de chrétienté | da |
| 3414 | SIR1.2 | Sirat, Colette | La philosophie juive médiévale en terre d'Islam | da |
| 3415 | SIR1.3 | Sirat, Colette | A history of Jewish philosophy in the middle ages | da |
| 3416 | SIS1.1 | Siserman, Dan | Teologia istoriei la Gioacchino din Fiore | da |
| 3417 | SIS1.2 | Siserman, Dan; Tat, Alin (eds.) | Spicilegium Philosophicum – Studii de Filosofie | da |
| 3418 | SLE1.1 | Sleeman, J. H.; Pollet, Gilbert | Lexicon Plotinianum | da |
| 3419 | SLO1.1 | Slotemaker, J., Witt, J. | Robert Holcot | da |
| 3420 | SMA1.1 | Šmahel, František | Charles University in the Middle Ages. Selected studies | da |
| 3421 | SMA1.2 | Šmahel, František (ed.); Pavlicek, Ota (colab.) | A Companion to Jan Hus | da |
| 3422 | SME1.1 | Smet, Joachim (ed.) | Manuscripts in the Vatican Library relating to the Carmelite Order | da |
| 3423 | SMI1.1 | Smith, Lesley | The Glossa Ordinaria. The Making of a Medieval Bible Commentary | da |
| 3424 | SMI2.1.1 | Martinus Smiglecius | Commentaria in Organum Aristotelis, vol. I | da |
| 3425 | SMI2.1.2 | Martinus Smiglecius | Commentaria in Organum Aristotelis, vol. II | da |
