| 1941 | LIV3.1 | Livadiotti, Umberto | Anonimo del IV seccolo. Descrizione del mondo e delle sue genti | da |
| 1942 | LLO1.1 | Llorente Megias, Paloma; Otero Vidal, Merce | Liber de causis. Indice y Concordancia | da |
| 1943 | LLO2.1 | Lloyd, Geoffrey Ernest Richard | The ambivalences of rationality : ancient and modern cross-cultural explorations | da |
| 1944 | LOC1.1 | Locke, John | John Locke: literary and historical writings | nu |
| 1945 | LOH1.1.1.1 | Lohr, Charles H. | Latin Aristotle Commentaries. I.1 Medieval Authors A-L | da |
| 1946 | LOH1.1.1.2 | Lohr, Charles H. | Latin Aristotle Commentaries. I.2 Medieval Authors M-Z | da |
| 1947 | LOH1.1.2 | Lohr, Charles H. | Latin Aristotle Commentaries. II. Renaissance Authors | da |
| 1948 | LOH1.1.3 | Lohr, Charles H. | Latin Aristotle Commentaries. III. Index Initiorum - Index finium | da |
| 1949 | LOH1.1.5 | Lohr, Charles H. | Latin Aristotle Commentaries. V. Bibliography of Secondary Litterature | da |
| 1950 | LOH1.2 | Lohr, Charles H. | Commentateurs d'Aristote au Moyen-Age latin. Bibliographie de la litterature secondaire recente | da |
