| 1946 | LAN1.1 | Langermann, Y. Tzvi (ed.) | Avicenna and his legacy | da | 
| 1947 | LAN2.1 | Landgraf, Artur Michael | Introduction a l'histoire de la littterature theologique de la scolastique naissante | da | 
| 1948 | LAN3.1#1 | Lang, Helen S. | Aristotle's Physics and its medieval varieties | da | 
| 1949 | LAN3.1#2 | Lang, Helen S.  | Aristotle's Physics and its medieval varieties | da | 
| 1950 | LAN4.1 | Landersdorfer, P. S. (tr.) | Ausgewälte Schriften der Syrischer Dichter | da | 
| 1951 | LAN5.1 | Lancel, Serge  | Saint Augustin | da | 
| 1952 | LAS1.1 | Lassere, F. | Etude sur les extraits medievaux de Strabon suivie d'un traite inedit de Michel Psellus | da | 
| 1953 | LAS2.1.1 | Laszlo, Alexandru | Lectura lui Dante. Infernul | da | 
| 1954 | LAS2.1.2 | Laszlo, Alexandru | Lectura lui Dante. Purgatoriul | da | 
| 1955 | LAS2.1.3 | Laszlo, Alexandru | Lectura lui Dante. Paradisul | da | 
| 1956 | LAU1.1 |  Laurent, Jerome  | Les fondements de la nature dans la pensee de Plotin. Procession et participarion  | da | 
| 1957 | LAU2.1 |  Laurand, L. | Etudes sur le style des Discours de Ciceron | da | 
| 1958 | LAV1.1 | Rus, Anton; Castaldini, Alberto (ed.) | Sapientia et scientia theologica: in honorem Renzo Lavatori per l'80 genetliaco | da | 
| 1959 | LEA1.1 | Leal, Jerónimo | Actas Latinas de Mártires Africanos | da | 
| 1960 | LEB1.1 | Le Boulluec, Alain; Gabriela Soares Santoprete, Luciana; Timotin, Andrei (eds.) | Exégèse, révélation et formation des dogmes dans l’Antiquité tardive  | da | 
| 1961 | LEC1.1 | Lechner, Joan Marie | Renaissance concepts of the commonplaces | nu | 
| 1962 | LEE1.1 |  Lee, Richard A.  | Science, the singular, and the questions of theology | da | 
| 1963 | 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 | 
| 1964 | LEE2.2 | Pieter de Leemans (ed.) | Aristotle's Problemata in different Times and Tongues | da | 
| 1965 | 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 | 
| 1966 | LEE2.4 | Pieter de Leemans (ed.) | On Good Authority. Tradition, Compilation and the Construction of Authority in Literature from Antiquity to the Renaissance | da | 
| 1967 | LEF1.1 | Leff, Gordon | Paris and Oxford Universities in the thirteenth and fourteenth century | da | 
| 1968 | LEF2.1 | Lefèvre, Charles | Sur l'évolution d'Aristote en phychologie | da | 
| 1969 | LEF3.1 | Lefkowitz, Mary R.  | Women in Greek myth | da | 
| 1970 | LEF4.1 | Lefebvre, David | Dynamis : sens et genèse de la notion aristotélicienne de puissance | da |