| 1921 | KÜN1.1 | Küng, Hans | Dans Christentum.Wesen und Geschichte | da |
| 1922 | KÜN1.2 | Küng, Hans | Erkämpfte Freiheit | da |
| 1923 | KÜN1.3 | Küng, Hans | Die Kirche | da |
| 1924 | KUN2.1 | Kunitzsch, Paul | The Arabs and the stars: texts and traditions on the fixed stars, and their influence in medieval Europe | da |
| 1925 | KUR1.1.1 | Kurfess, A. (ed.) | Appendix Sallustiana I | da |
| 1926 | KUR1.1.2 | Kurfess, A. (ed.) | Appendix Sallustiana II | da |
| 1927 | KUR2.1 | Kurdziałek, Marian | Prolegomena zu Davidis de Dinanto Quaternulorum fragmenta | da |
| 1928 | LAB1.1 | Labarbe, Jules | L`Homere de Platon | da |
| 1929 | LAC1.1 | Lacrosse, Joachim | La philosophie de Plotin. Intellect et discursivite | nu |
| 1930 | LAC2.1 | Lactantius | Von den Todesarten der Verfolger et al. | da |
| 1931 | LAF1.1 | Lafleur, Claude | Quatre introductions à la philosophie au XIIIe siècle | da |
| 1932 | LAG1.1.1 | Lagerlund, Henrik (ed.) | Encyclopedia of Medieval Philosophy. Philosophy Between 500 and 1500. Vol. 1 A-L | da |
| 1933 | LAG1.1.2 | Lagerlund, Henrik (ed.) | Encyclopedia of Medieval Philosophy. Philosophy Between 500 and 1500. Vol. 2 M-Z | da |
| 1934 | LAK1.1 | Laks, Andre | Diogene d'Apollonie | da |
| 1935 | LAN1.1 | Langermann, Y. Tzvi (ed.) | Avicenna and his legacy | da |
| 1936 | LAN2.1 | Landgraf, Artur Michael | Introduction a l'histoire de la littterature theologique de la scolastique naissante | da |
| 1937 | LAN3.1#1 | Lang, Helen S. | Aristotle's Physics and its medieval varieties | da |
| 1938 | LAN3.1#2 | Lang, Helen S. | Aristotle's Physics and its medieval varieties | da |
| 1939 | LAN4.1 | Landersdorfer, P. S. (tr.) | Ausgewälte Schriften der Syrischer Dichter | da |
| 1940 | LAN5.1 | Lancel, Serge | Saint Augustin | da |
| 1941 | LAS1.1 | Lassere, F. | Etude sur les extraits medievaux de Strabon suivie d'un traite inedit de Michel Psellus | da |
| 1942 | LAS2.1.1 | Laszlo, Alexandru | Lectura lui Dante. Infernul | da |
| 1943 | LAS2.1.2 | Laszlo, Alexandru | Lectura lui Dante. Purgatoriul | da |
| 1944 | LAS2.1.3 | Laszlo, Alexandru | Lectura lui Dante. Paradisul | da |
| 1945 | LAU1.1 | Laurent, Jerome | Les fondements de la nature dans la pensee de Plotin. Procession et participarion | da |
| 1946 | LAU2.1 | Laurand, L. | Etudes sur le style des Discours de Ciceron | da |
| 1947 | LAV1.1 | Rus, Anton; Castaldini, Alberto (ed.) | Sapientia et scientia theologica: in honorem Renzo Lavatori per l'80 genetliaco | da |
| 1948 | LEA1.1 | Leal, Jerónimo | Actas Latinas de Mártires Africanos | da |
| 1949 | LEB1.1 | Le Boulluec, Alain; Gabriela Soares Santoprete, Luciana; Timotin, Andrei (eds.) | Exégèse, révélation et formation des dogmes dans l’Antiquité tardive | da |
| 1950 | LEC1.1 | Lechner, Joan Marie | Renaissance concepts of the commonplaces | nu |
| 1951 | LEE1.1 | Lee, Richard A. | Science, the singular, and the questions of theology | da |
| 1952 | LEE2.1 | Pieter de Leemans (ed.) | Translating at the Court. Bartholomew o Messina and Cultural Life at the Court of Manfred, King of Sicily | da |
| 1953 | LEE2.2 | Pieter de Leemans (ed.) | Aristotle's Problemata in different Times and Tongues | da |
| 1954 | LEE2.3 | Pieter de Leemans (ed.) | Between Text and Tradition. Pietro d'Abano and the Reception of Pseudo-Aristotle's Problemata Physica in the Middle Ages | da |
| 1955 | LEE2.4 | Pieter de Leemans (ed.) | On Good Authority. Tradition, Compilation and the Construction of Authority in Literature from Antiquity to the Renaissance | da |
| 1956 | LEF1.1 | Leff, Gordon | Paris and Oxford Universities in the thirteenth and fourteenth century | da |
| 1957 | LEF2.1 | Lefèvre, Charles | Sur l'évolution d'Aristote en phychologie | da |
| 1958 | LEF3.1 | Lefkowitz, Mary R. | Women in Greek myth | da |
| 1959 | LEF4.1 | Lefebvre, David | Dynamis : sens et genèse de la notion aristotélicienne de puissance | da |
| 1960 | LEH1.1 | Lehmann, Yves (ed.) | Aristoteles Romanus. La reception de la science aristotelicienne dans l'Empire greco-romain | da |
| 1961 | LEH2.1 | Lehrs, Karl | Quaestiones epicae | da |
| 1962 | LEM1.1 | Lemoine, Michel; Picard-Parra, Clotilde (trad.) | Théologie et cosmologie au XIIe siècle. L'Ecole de Chartres | nu |
| 1963 | LEO1.1 | Leonardi, Claudio | Anastasio Bibliotecario e l'ottavo concilio ecumenico | da |
| 1964 | LEO1.2 | Leonardi, Claudio | Gregorio Magno e le Origini dell'Europa | da |
| 1965 | LEO2.1.1 | Leo des Grossen | Samtliche Sermonen (1-38) | da |
| 1966 | LEO2.1.2 | Leo des Grossen | Samtliche Sermonen (39-96) | da |
| 1967 | LEO3.1 | Leone, Marialucrezia | Sinderesi. La conoscenza immediata dei principi morali tra Medioevo e prima Età Moderna | da |
| 1968 | LEPh2012.04.2 | | Les Etudes philosophiques. n° 2 (2012), Marius Victorinus | da |
| 1969 | LES1.1 | Lessines, Gilles de; De Wulf, Maurice | Le Traite De Unitate Formae | da |
| 1970 | LET1.1 | M. Letronne (editor) | Fragmenta Historicorum Graecorum. Apollodori Bibliotheca | da |
| 1971 | LEV1.1 | Lévy, Carlos (ed.) | Philon d'Alexandrie et le langage de la philosophie | da |
| 1972 | LEV2.1 | Levet, Jean-Pierre | Le vrai et le faux dans la pensée grecque archaïque : D'Hesiode à la fin du Ve siècle | da |
| 1973 | LEW1.1 | Lewis, Sian | The Athenian Woman : an Iconographic Handbook | da |
| 1974 | LHO1.1 | | L'homme et son destin d'apres les penseurs du moyen age | da |
| 1975 | LIB1.1.1 | Libera, Alain de | Archeologie du sujet: Naissance du sujet (vol.1) | da |
| 1976 | LIB1.1.2 | Libera, Alain de | Archéologie du sujet: La quête de l'identité (vol.2) | da |
| 1977 | LIB1.2.1 | Libera, Alain de | Archeologie du sujet: Naissance du sujet (vol.1) | nu |
| 1978 | LIB1.2.2 | Libera, Alain de | Archeologie du sujet: La quete de l'identite (vol.2) | nu |
| 1979 | LIB1.3 | Libera, Alain de ; Elamrani-Jamal, A ; Galonnier, Alain | Langages et philosophie | da |
| 1980 | LIB1.4 | Libera, Alain de | Penser au Moyen Age | da |
| 1981 | LIB1.5 | Libera, Alain de | Albert le Grand et la philosophie | nu |
| 1982 | LIB2.1 | Libanius | Discours sur les patronages | da |
| 1983 | LIC1.1 | Granius Licinianus | Relivae | da |
| 1984 | LIC2.1 | Lickteig, Franz-Bernard | The german Carmelites at the Medieval universities | nu |
| 1985 | LID1.1 | H. G. Lidell and R. Scott | Greek-English Lexicon, with a Revised Supplement | da |
| 1986 | LIE1.1 | Beatus Liebanensis | Obras completas y complementarias I (Comentario al Apocalipsis, Himno "O Dei Verbum", Apologético ) | da |
| 1987 | LIL1.1 | Lille, Alain de | Anticlaudianus | da |
| 1988 | LIL1.2 | Lille, Alain de | Viaggio della saggezza | da |
| 1989 | LIL1.3 | Lille, Alain de | Regeln der Theologie | da |
| 1990 | LIL1.4 | Lille, Alain de; Alverny, Marie-Thérèse d' | Textes inedits | da |
| 1991 | LIL1.5 | Alain de Lille | La plainte de la nature (De planctu naturae) | da |
| 1992 | LIN1.1 | Lindberg, David C. | Beginnings of Western Science: The European Scientific Tradition in Philosophical, Religious, and Institutional Context, 600 B.C. to A.D. 1450 | da |
| 1993 | LIT1.1 | Little, A. G. (ed.) | Initia Operum Latinorum quae saeculis XIII, XIV, XV attribuuntur | da |
| 1994 | LIV1.1 | | Le Livre des XXIV Philosophes | da |
| 1995 | LIV2.1.1 | Livius, Titus | Ab Urbe condita ( XXI, XXII) | da |
| 1996 | LIV2.1.2 | Livius, Titus | Ab Urbe condita (XXIII - XXV) | da |
| 1997 | LIV2.1.3 | Livius, Titus | Ab Urbe condita ( XXVI - XXX) | da |
| 1998 | LIV2.2.1.2 | Livius, Titus | Ab urbe condita ( IV-VI) | da |
| 1999 | LIV2.3.1 | Livivs, Titus | Ab vrbe condita ( XXI-XXII) | da |
| 2000 | LIV2.3.2 | Livius, Titus | Ab urbe condita (XXVI-XXVII) | da |
| 2001 | LIV2.3.3 | Livius, Titus | Ab vrbe condita ( XXVIII-XXX) | da |
| 2002 | LIV3.1 | Livadiotti, Umberto | Anonimo del IV seccolo. Descrizione del mondo e delle sue genti | da |
| 2003 | LLO1.1 | Llorente Megias, Paloma; Otero Vidal, Merce | Liber de causis. Indice y Concordancia | da |
| 2004 | LLO2.1 | Lloyd, Geoffrey Ernest Richard | The ambivalences of rationality : ancient and modern cross-cultural explorations | nu |
| 2005 | LOC1.1 | Locke, John | John Locke: literary and historical writings | nu |
| 2006 | LOH1.1.1.1 | Lohr, Charles H. | Latin Aristotle Commentaries. I.1 Medieval Authors A-L | da |
| 2007 | LOH1.1.1.2 | Lohr, Charles H. | Latin Aristotle Commentaries. I.2 Medieval Authors M-Z | da |
| 2008 | LOH1.1.2 | Lohr, Charles H. | Latin Aristotle Commentaries. II. Renaissance Authors | da |
| 2009 | LOH1.1.3 | Lohr, Charles H. | Latin Aristotle Commentaries. III. Index Initiorum - Index finium | da |
| 2010 | LOH1.1.5 | Lohr, Charles H. | Latin Aristotle Commentaries. V. Bibliography of Secondary Litterature | da |
| 2011 | LOH1.2 | Lohr, Charles H. | Commentateurs d'Aristote au Moyen-Age latin. Bibliographie de la litterature secondaire recente | da |
| 2012 | LOH2.1 | Lohmann, Dieter | Die Komposition der Reden in der Ilias | da |
| 2013 | LOI1.1. | Loiret, Francois | Volonte et infini chez Duns Scot | da |
| 2014 | LOM1.1 | Petrus Lombardus; Migne, J.-P. (ed.) | Petri Lombardi Senteriarum Libri Quatuor | da |
| 2015 | LOM1.2.1 | Magistri Petri Lombardi, parisiensis episcopi | Sententiae in IV libris distinctae, Tomus I, Prolegomena, Lib. I-II | da |
| 2016 | LOM1.2.2 | Magistri Petri Lombardi, parisiensis episcopi | Sententiae in IV libris distinctae, Tomus II, Lib. III-IV | da |
| 2017 | LOM1.3.1 | Pierre Lombard | Les quatres livres des Sentences. Premier Livre | da |
| 2018 | LOM1.3.2 | Pierre Lombard | Les quatres livres des Sentences. Deuxieme Livre | da |
| 2019 | LOM1.3.3 | Pierre Lombard | Les quatres livres des Sentences. Troisieme Livre | da |
| 2020 | LOM1.3.4 | Pierre Lombard | Les quatres livres des Sentences. Quatrieme Livre | da |
