| 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 |
| 3546 | SOL1.2 | Solère, Jean-Luc; Kaluza, Z. (ed.) | La servante et la consolatrice | da |
| 3547 | SOL1.1 | Solère, Jean-Luc; Vasiliu, Anca; Galonnier, Alain (ed.) | Alain de Lille, le Docteur Universel. Philosophie, theologie, et litterature au XIIe siecle | da |
| 3548 | SOL2.1 | Solmsen, F. (ed.) | Inscriptiones graecae ad inlustrandas dialectos selectae | da |
| 3549 | SOP1.1 | Sophocle | Tragoediae | da |
| 3550 | SOR1.1 | Sorabji, Richard | Philoponus and the Rejection of Aristotelian Science | da |
| 3551 | SOR2.1 | Sorel, Reynal | Orfeu şi orfismul | da |
| 3552 | SOU2.1 | Southern, R. W. | Saint Anselm. A Portrait in a Landscape | da |
| 3553 | SPA1.1 | Spade, Paul Vincent | The medieval liar: a catalogue of the insolubilia-literature | da |
| 3554 | SPA1.3 | Spade, Paul Vincent | Five texts on the mediaeval problem of universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham | da |
| 3555 | SPA1.2 | Spade, Paul Vincent (ed.) | The Cambridge Companion to Ockham | da |
