| 1881 | KAL2.1 | Kalhous, David | Anatomy of a duchy. The political and ecclesiastical structures of early Přemyslid Bohemia | da |
| 1882 | KAM1.1 | Ibn-Kammūna, Saʿd Ibn-Manṣūr | Examen de la critique des trois religions monothéistes | da |
| 1883 | KAN1.1 | Kant, Immanuel | Prolegomene la orice metafizica viitoare care se va putea infatisa drept stiinta | da |
| 1884 | KAN1.2 | Kant, Immanuel | Critica raţiunii practice | da |
| 1885 | KAN2.1 | Kandler, K.-H.; Mojsisch, B.; Stammkotter, F.-B. | Dietrich von Freiberg. Neue Perspektiven seiner Philosophie, Theologie und Naturwissenschaft | da |
| 1886 | KAP1.1 | Kaposi, Krisztina (ed.) | Enyedi 460. Tanulmanykotet Enyedi Gyorgy szuletesenek 460 evfordulojara rendezett kamarakonferencia eloadasaibol | da |
| 1887 | KAS1.1 | Kassel, Rudolf | Der text der aristotelischen phetorik | da |
| 1888 | KEC1.1 | Bartholomaeus Keckermann | Praecognita philosophica | da |
| 1889 | KEN1.1 | Kenny, Anthony | Aquinas on mind | da |
| 1890 | KEN2.1 | Kennedy, Edward S. | Astronomy and astrology in the Medieval Islamic world | da |
