| 2301 | SCO1.2 | Johannes Duns Scotus | Abhandlung uber das erste Prinzip | da |
| 2302 | SCO1.5 | Johannes Duns Scotus | Pariser Vorlesungen über Wissen und Kontingenz | da |
| 2303 | IOH2.1 | Johannes Oxites | Ioannis Oxeitae Oratio de monasteriis laicis non tradendis | da |
| 2304 | SAL2.4 | Johannes Saresberiensis | Policraticus, I-IV | da |
| 2305 | SAL2.1 | Johannes Sarisberiensis | Policraticus | da |
| 2306 | DAM1.3 | Johannes von Damaskus | Genaue Darlegung des Orthodoxen Glaubens | da |
| 2307 | IOH1.1 | Johannis de Nova Domo | Tractatus de esse et essentia | da |
| 2308 | BUR4.4 | John Buridan | John Buridan: Sophisms on meaning and truth | da |
| 2309 | OAK1.1 | John H. Oakley andd Rebecca H. Sinos | The Wedding in Ancient Athens | nu |
| 2310 | SAL2.5 | John of Salisbury | Policraticus. The Stateman's Book | da |
| 2311 | WYC1.1 | John Wycliff | On Universals | da |
| 2312 | WYC1.2 | John Wycliff, Ivan J. Mueller (ed.) | Tractatus de universalibus | da |
| 2313 | JOL1.8 | Jolivet, Jean | Abelard ou la philosophie dans le langage | da |
| 2314 | JOL1.3 | Jolivet, Jean | Résumés des conférences et travaux | da |
| 2315 | JOL1.4 | Jolivet, Jean | Abelard: artele limbajului si teologia | nu |
| 2316 | JOL1.1 | Jolivet, Jean | Translationes studiorum. Studii de filosofie medievala araba si latina | da |
| 2317 | JOL1.2 | Jolivet, Jean | Arts du langage et théologie chez Abélard | da |
| 2318 | JOL1.5 | Jolivet, Jean | Perspectives médiévales et arabes | da |
| 2319 | JOL1.7 | Jolivet, Jean (ed.) | Multiple Averroes | da |
| 2320 | JON1.1 | Jones, W.T. | The medieval mind | da |
| 2321 | JOR1.1 | Jordan von Quedlinburg | Postillae et Sermones | da |
| 2322 | BAR8.1 | José Pablo Barragán Nieto | El De secretis mulierum atribuido a Alberto Magno. Estudio, edición crítica y traducción | nu |
| 2323 | ZAB1.1 | Joseph Ibn Zabara | Le Livre de Délices | da |
| 2324 | ANN2.1 | Julia Annas | Platonic Ethics. Old and New | da |
| 2325 | JUL1.1 | Julia, Didier | Dictionnaire de la philosophie | da |
| 2326 | JUN1.1 | Jung-Palczewska, Elzbieta | Prima verba. Krakowskie mowy uniwersyteckie | da |
| 2327 | ELL1.1 | K. Elliger; W. Rudolph (eds.) et al. | [Torah, Neviʾim u-Khetuvim]. Biblia Hebraica Stuttgartensia | nu |
| 2328 | KAG1.1 | Kagan, Donald (ed.) | Studies in the Greek Historians | da |
| 2329 | KAL2.1 | Kalhous, David | Anatomy of a duchy. The political and ecclesiastical structures of early Přemyslid Bohemia | da |
| 2330 | KAL1.4 | Kaluza, Zenon | Nicolas d'Autrecourt, ami de la verite | da |
| 2331 | KAL1.2 | Kaluza, Zenon | Etudes doctrinales sur le XIVe siecle. Theologie, logique, philosophie | nu |
| 2332 | KAL1.3 | Kaluza, Zenon | Les querelles doctrinales a Paris. Nominalistes et realistes aux confins du XIVe et du XVe siecle | da |
| 2333 | KAL1.1 | Kaluza, Zenon | Lektury Filozoficzne Wincentego Kadlubka. Zbior Studiow | da |
| 2334 | KAN2.1 | Kandler, K.-H.; Mojsisch, B.; Stammkotter, F.-B. | Dietrich von Freiberg. Neue Perspektiven seiner Philosophie, Theologie und Naturwissenschaft | da |
| 2335 | KAN1.2 | Kant, Immanuel | Critica raţiunii practice | da |
| 2336 | KAN1.1 | Kant, Immanuel | Prolegomene la orice metafizica viitoare care se va putea infatisa drept stiinta | da |
| 2337 | KAP1.1 | Kaposi, Krisztina (ed.) | Enyedi 460. Tanulmanykotet Enyedi Gyorgy szuletesenek 460 evfordulojara rendezett kamarakonferencia eloadasaibol | da |
| 2338 | HTKNT13.2 | Karl Herman Schelkle | Die Petrusbriefe der Judasbrief | da |
| 2339 | KAS1.1 | Kassel, Rudolf | Der text der aristotelischen phetorik | da |
| 2340 | IER2.1 | Katerina Ierodiakonou (ed.) | Topics in Stoic Philosophy | da |
| 2341 | BUS1.1 | Keith Busby, Noris J. Lacy (eds.) | Conjunctures: Medieval Studies in Honor of Douglas Kelly | da |
| 2342 | HDK3.1 | Kempf, Friedrich | Die mittelalterliche Kirche | da |
| 2343 | KEN2.1 | Kennedy, Edward S. | Astronomy and astrology in the Medieval Islamic world | da |
| 2344 | KEN1.1 | Kenny, Anthony | Aquinas on mind | da |
| 2345 | KES1.1 | Kesper-Biermann, Sylvia | Kriminalität in Mittelalter und Früher Neuzeit : soziale, rechtliche, philosophische und literarische Aspekte | da |
| 2346 | KEU1.1 | Keuls, Eva C. | Plato And Greek Painting | da |
| 2347 | KIE1.1.3 | Kieckers, E. | Historische griechische Grammatik. Syntax III | da |
| 2348 | KIE1.1.4 | Kieckers, E. | Historische griechische Grammatik. Syntax IV | da |
| 2349 | KIL1.2 | Kilwardby, Robert; Judy, Albert G. (ed.) | De ortu scientiarum | da |
| 2350 | KIL1.3 | Kilwardby, Robert; Lewry, P. Osmund (ed.) | On Time and Imagination. De Tempore. De Spiritu Fantastico | da |
