| 341 | ARN1.1 | Arnaldez, Roger | Fakhr al-Dîn al-Râzî | da |
| 342 | ARN2.1 | Hans von Arnim (ed.) | Fragmentele stoicilor vechi | da |
| 343 | ARN3.1 | Jóhann Páll Árnason; Björn Wittrock | Eurasian transformations, tenth to thirteenth centuries. Crystallizations, divergences, renaissances | da |
| 344 | ARN4.1 | Arnaldus de Villanova, Michael R. McVaugh (ed.) | Arnaldi de Villanova Opera medica omnia, v. 2, Tractatus de humido radicali | da |
| 345 | ARN5.1 | Arnzen, Rüdiger; Thielmann, Jörn | Words, texts and concepts cruising the Mediterranean Sea | da |
| 346 | ARO1.1 | Arosio, Marco | Aristotelismo e Teologia da Alessandro di Hales a San Bonaventura | da |
| 347 | ARO2.1 | Aron, Raymond | Introduction à la philosophie de l`historire | da |
| 348 | ART1.1 | | Arts Liberaux et Philosophie au Moyen Age | da |
| 349 | ART2.1 | Artemidorus Daldianus | Onirocriticon libri V | da |
| 350 | ART3.1 | Artz, Frederick B. | The mind of the Middle Ages | da |
