| 1881 | LAS1.1 | Lassere, F. | Etude sur les extraits medievaux de Strabon suivie d'un traite inedit de Michel Psellus | da |
| 1882 | LAS2.1.1 | Laszlo, Alexandru | Lectura lui Dante. Infernul | da |
| 1883 | LAS2.1.2 | Laszlo, Alexandru | Lectura lui Dante. Purgatoriul | da |
| 1884 | LAS2.1.3 | Laszlo, Alexandru | Lectura lui Dante. Paradisul | da |
| 1885 | LAU1.1 | Laurent, Jerome | Les fondements de la nature dans la pensee de Plotin. Procession et participarion | da |
| 1886 | LAU2.1 | Laurand, L. | Etudes sur le style des Discours de Ciceron | da |
| 1887 | LAV1.1 | Rus, Anton; Castaldini, Alberto (ed.) | Sapientia et scientia theologica: in honorem Renzo Lavatori per l'80 genetliaco | da |
| 1888 | LEA1.1 | Leal, Jerónimo | Actas Latinas de Mártires Africanos | da |
| 1889 | LEB1.1 | Le Boulluec, Alain; Gabriela Soares Santoprete, Luciana; Timotin, Andrei (eds.) | Exégèse, révélation et formation des dogmes dans l’Antiquité tardive | da |
| 1890 | LEC1.1 | Lechner, Joan Marie | Renaissance concepts of the commonplaces | nu |
| 1891 | LEE1.1 | Lee, Richard A. | Science, the singular, and the questions of theology | da |
| 1892 | 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 |
| 1893 | LEE2.2 | Pieter de Leemans (ed.) | Aristotle's Problemata in different Times and Tongues | da |
| 1894 | 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 |
| 1895 | LEE2.4 | Pieter de Leemans (ed.) | On Good Authority. Tradition, Compilation and the Construction of Authority in Literature from Antiquity to the Renaissance | da |
| 1896 | LEF1.1 | Leff, Gordon | Paris and Oxford Universities in the thirteenth and fourteenth century | da |
| 1897 | LEF2.1 | Lefèvre, Charles | Sur l'évolution d'Aristote en phychologie | da |
| 1898 | LEF3.1 | Lefkowitz, Mary R. | Women in Greek myth | da |
| 1899 | LEF4.1 | Lefebvre, David | Dynamis : sens et genèse de la notion aristotélicienne de puissance | da |
| 1900 | LEH1.1 | Lehmann, Yves (ed.) | Aristoteles Romanus. La reception de la science aristotelicienne dans l'Empire greco-romain | da |
| 1901 | LEH2.1 | Lehrs, Karl | Quaestiones epicae | da |
| 1902 | LEM1.1 | Lemoine, Michel; Picard-Parra, Clotilde (trad.) | Théologie et cosmologie au XIIe siècle. L'Ecole de Chartres | nu |
| 1903 | LEO1.1 | Leonardi, Claudio | Anastasio Bibliotecario e l'ottavo concilio ecumenico | da |
| 1904 | LEO1.2 | Leonardi, Claudio | Gregorio Magno e le Origini dell'Europa | da |
| 1905 | LEO2.1.1 | Leo des Grossen | Samtliche Sermonen (1-38) | da |
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