| 1226 | DOR1.1 | Doring, Klaus; Kullmann, Wolfgang (eds.) | Studia Platonica | da |
| 1227 | DRA1.1 | Draelants, I.; Balouzat-Loubet, C. (eds.) | La formule au Moyen Age, II, (Formulas in Medieval Culture, II) | da |
| 1228 | DRO1.1 | Dronke, Peter | Nine medieval Latin plays | da |
| 1229 | DRO1.2 | Dronke, Peter | Sacred and Profane Thought in the Early Middle Ages | da |
| 1230 | DS6 | | Dominican Studies volume VI | da |
| 1231 | DS7 | | Dominican Studies volume VII | da |
| 1232 | DSTFM22 | | Documenti e studi sulla tradizione filosofica medievale XXII/2011 | da |
| 1233 | DSTFM24 | | Documenti e studi sulla tradizione filosofica medievale XXIV/2013 | da |
| 1234 | DSTFM27 | | Documenti e studi sulla tradizione filosofica medievale XXVII/2016 | da |
| 1235 | DSTFM28 | | Documenti e studi sulla tradizione filosofica medievale XXVIII/2017 | da |
| 1236 | DUB1.1 | Dubel, Sandrine; Favreau-Linder, Anne-Marie; Oudot, Estelle | A l'Ecole d'Homere: la culture des orateurs et des sophistes | da |
| 1237 | DUB2.1 | Duba, William O. | The Forge of Doctrine. The Academic Year 1330-31 and the Rise of Scotism at the University of Paris | da |
| 1238 | DUB2.2 | Duba, William O. ; Friedman, Russell L. ; Schabel, Chris (eds.) | Studies in Later Medieval Intellectual History in Honor of William J. Courtenay | da |
| 1239 | DUB2.3 | Duba, William ; Schabel, Christopher David (eds.) | Gerald Odonis, Doctor Moralis and Franciscan Minister General. Studies in Honour of L. M. de Rijk | da |
| 1240 | DUC1.1 | Ducos, Joelle; Giacomotto-Chiarra, Violaine (dir.) | Lire Aristote au Moyen Age et à la Renaissance | da |
| 1241 | DUC2.1 | Ducos, Michele | Les romains et la loi. Recherches sur le rapports de la philosophie greque et de la tradition romaine a la fin de la Republique | da |
| 1242 | DUF1.1 | Dufraigne, Pierre | Adventus Augusti, adventus Christi | da |
| 1243 | DUH1.1.6 | Duhem, Pierre | Le systeme du monde, Tome VI | da |
| 1244 | DUH1.2 | Duhem, Pierre; Arrew, Roger (ed.) | Medieval Cosmology. Theories of infinity, place, time, void, and the plurality of worlds | da |
| 1245 | DUH1.3 | Duhem, Pierre | L' aube du savoir. Épitomé du système du monde (histoire des doctrines cosmologiques de Platon à Copernic) | da |
| 1246 | DUN1.1 | Dunne, Michael W.; Nolan, Simon, O. Carm. (eds) | Richard Fitzralph, His Life, Times and Thought | da |
| 1247 | DUN2.1 | Duncan, Dennis; Smyth, Adam (eds.) | Book parts | nu |
| 1248 | DUN3.1 | Dungalus Reclusus | Scrisoarea către Carol cel Mare despre dubla eclipsă de soare din anul 810 | da |
| 1249 | DYB1.1 | Dybel, Katarzyna | Entre la connaissance et l'amour. Le regard dans univers romanesque de Chretien de Troyes | da |
| 1250 | DYS1.1 | Dyson, Henry | Prolepsis and Ennoia in the early Stoa | da |
