| 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 |
