| 1801 | JON1.1 | Jones, W.T. | The medieval mind | da |
| 1802 | JOR1.1 | Jordan von Quedlinburg | Postillae et Sermones | da |
| 1803 | JUL1.1 | Julia, Didier | Dictionnaire de la philosophie | da |
| 1804 | JUN1.1 | Jung-Palczewska, Elzbieta | Prima verba. Krakowskie mowy uniwersyteckie | da |
| 1805 | KAG1.1 | Kagan, Donald (ed.) | Studies in the Greek Historians | da |
| 1806 | KAL1.1 | Kaluza, Zenon | Lektury Filozoficzne Wincentego Kadlubka. Zbior Studiow | da |
| 1807 | KAL1.2 | Kaluza, Zenon | Etudes doctrinales sur le XIVe siecle. Theologie, logique, philosophie | nu |
| 1808 | KAL1.3 | Kaluza, Zenon | Les querelles doctrinales a Paris. Nominalistes et realistes aux confins du XIVe et du XVe siecle | da |
| 1809 | KAL1.4 | Kaluza, Zenon | Nicolas d'Autrecourt, ami de la verite | nu |
| 1810 | KAL2.1 | Kalhous, David | Anatomy of a duchy. The political and ecclesiastical structures of early Přemyslid Bohemia | da |
