| 3521 | SIG1.2 | Siger din Brabant; Maurer, Armand | Quaestiones in Metaphysicam- Reportation de Cambridge | da |
| 3522 | SIL1.1 | Silagi, Gabriel | Untersuchungen zur 'Deliberatio supra hymnum trium puerorum' des Gerhard von Csanad | da |
| 3523 | SIL2.1.1 | Silius Italicus | Punica, vol. 1 | da |
| 3524 | SIL2.1.2 | Silius Italicus | Punica, vol. 2 | da |
| 3525 | SIL3.1 | Silver, Daniel | Maimonidean Criticism and the Maimonidean Controversy, 1180 - 1240 | nu |
| 3526 | SIM1.1 | Simon, Bennett | Mind And Madness In Ancient Greece. The Classical Roots of Modern Psychiatry | da |
| 3527 | SIM2.1.1 | Simplicius | Commentaire sur les categories d'Aristote : traduction de Guillaume de Moerbeke (vol. I) | da |
| 3528 | SIM2.1.2 | Simplicius | Commentaire sur les categories d'Aristote : traduction de Guillaume de Moerbeke (vol. II) | da |
| 3529 | SIM2.2.1 | Simplicius | Commentaire sur le traité Du ciel d'Aristote : traduction de Guillaume de Moerbeke (vol. I) | nu |
| 3530 | SIN2.1 | Sinaiko, Herman L. | Love, Knowledge, and Discourse in Plato: Dialogue and Dialectic in Phaedrus, Republic, Parmenides | da |
| 3531 | SIN1.1 | Singer, Samuel | Apolonius von Tyrus. Untersuchungen uber das Fortleben des antiken Romans in spartern zeiten | da |
| 3532 | SIR1.3 | Sirat, Colette | A history of Jewish philosophy in the middle ages | da |
| 3533 | SIR1.1 | Sirat, Colette | La philosophie juive médiévale en pays de chrétienté | da |
| 3534 | SIR1.2 | Sirat, Colette | La philosophie juive médiévale en terre d'Islam | da |
| 3535 | SIS1.1 | Siserman, Dan | Teologia istoriei la Gioacchino din Fiore | da |
| 3536 | SIS1.2 | Siserman, Dan; Tat, Alin (eds.) | Spicilegium Philosophicum – Studii de Filosofie | da |
| 3537 | RED1.1 | Sitta von Reden | Exchange in Ancient Grece | da |
| 3538 | SLE1.1 | Sleeman, J. H.; Pollet, Gilbert | Lexicon Plotinianum | da |
| 3539 | SLO1.1 | Slotemaker, J., Witt, J. | Robert Holcot | da |
| 3540 | SMA1.1 | Šmahel, František | Charles University in the Middle Ages. Selected studies | da |
| 3541 | SMA1.2 | Šmahel, František (ed.); Pavlicek, Ota (colab.) | A Companion to Jan Hus | da |
| 3542 | SME1.1 | Smet, Joachim (ed.) | Manuscripts in the Vatican Library relating to the Carmelite Order | da |
| 3543 | SMI1.1 | Smith, Lesley | The Glossa Ordinaria. The Making of a Medieval Bible Commentary | da |
| 3544 | SMI3.1 | Smith, Randall B. | Întruchipări ale înţelepciunii creştine | da |
| 3545 | SOE1.1 | Soetermeer, Frank | Utrumque jus in peciis | da |
