| 1801 | Carte | KRI1.1 | Kristeller, Paul Oskar | Latin Manuscript Books before 1600 | da |
| 1802 | Carte | KRI1.2.1 | Kristeller, Paul Oskar (ed.) | Catalogus translationum et commentariorum: Medieval and Renaissance Latin Translations and Commentaries | da |
| 1803 | Carte | KRI1.3 | Kristeller, Paul Oskar | Renaissance thought and its sources | nu |
| 1804 | Carte | KRU1.1 | Krüger, Max | Griechisches Ubungsbuch | da |
| 1805 | Carte | KRU2.1 | Kruger, Gerhart | Ragione e Passione, L'essenza del pensiero platonico | da |
| 1806 | Carte | KUH1.1 | Kühn, Wilfried | Quel savoir après le scepticisme? | da |
| 1807 | Carte | KÜN1.1 | Küng, Hans | Dans Christentum.Wesen und Geschichte | da |
| 1808 | Carte | KÜN1.2 | Küng, Hans | Erkämpfte Freiheit | da |
| 1809 | Carte | KÜN1.3 | Küng, Hans | Die Kirche | da |
| 1810 | Carte | KUN2.1 | Kunitzsch, Paul | The Arabs and the stars: texts and traditions on the fixed stars, and their influence in medieval Europe | da |
| 1811 | Carte | KUR1.1.1 | Kurfess, A. (ed.) | Appendix Sallustiana I | da |
| 1812 | Carte | KUR1.1.2 | Kurfess, A. (ed.) | Appendix Sallustiana II | da |
| 1813 | Carte | KUR2.1 | Kurdziałek, Marian | Prolegomena zu Davidis de Dinanto Quaternulorum fragmenta | da |
| 1814 | Carte | LAB1.1 | Labarbe, Jules | L`Homere de Platon | da |
| 1815 | Carte | LAC1.1 | Lacrosse, Joachim | La philosophie de Plotin. Intellect et discursivite | nu |
| 1816 | Carte | LAC2.1 | Lactantius | Von den Todesarten der Verfolger et al. | da |
| 1817 | Carte | LAF1.1 | Lafleur, Claude | Quatre introductions à la philosophie au XIIIe siècle | da |
| 1818 | Carte | LAG1.1.1 | Lagerlund, Henrik (ed.) | Encyclopedia of Medieval Philosophy. Philosophy Between 500 and 1500. Vol. 1 A-L | da |
| 1819 | Carte | LAG1.1.2 | Lagerlund, Henrik (ed.) | Encyclopedia of Medieval Philosophy. Philosophy Between 500 and 1500. Vol. 2 M-Z | da |
| 1820 | Carte | LAK1.1 | Laks, Andre | Diogene d'Apollonie | da |
| 1821 | Carte | LAN1.1 | Langermann, Y. Tzvi (ed.) | Avicenna and his legacy | da |
| 1822 | Carte | LAN2.1 | Landgraf, Artur Michael | Introduction a l'histoire de la littterature theologique de la scolastique naissante | da |
| 1823 | Carte | LAN3.1#1 | Lang, Helen S. | Aristotle's Physics and its medieval varieties | da |
| 1824 | Carte | LAN3.1#2 | Lang, Helen S. | Aristotle's Physics and its medieval varieties | da |
| 1825 | Carte | LAN4.1 | Landersdorfer, P. S. (tr.) | Ausgewälte Schriften der Syrischer Dichter | da |
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