| 4191 | Carte | WOL1.1 | Wolter, Allan B. | The transcedentals and their function in the metaphysics of Duns Scotus | da |
| 4192 | Carte | WOO2.1 | Woodhouse, Christopher M. | George Gemistos Plethon : the last of the Hellenes | da |
| 4193 | Carte | WOO1.1 | Woozley, A. D. | LAW AND OBEDIENCE. The arguments of Plato`s Crito | da |
| 4194 | Carte | WRA1.1 | Wranovix, Matthew P. | Priests and their books in late medieval Eichstätt. Parish priests and their books | da |
| 4195 | Carte | WRI1.1 | Wriedt, Klaus | Schule Und Universitat (Education and Society in the Middle Ages and Renaissance) (Education and Society in the Middle Ages and Renaissance) | da |
| 4196 | Carte | WUS1.1 | Wüsthof, Lucas | Schwabenspiegel und Augsburger Stadtrecht | da |
| 4197 | Carte | WYS1.1 | Wyser, Paul | Thomas von Aquin | da |
| 4198 | Carte | XEN1.2 | Xenophon | Memorabilia | da |
| 4199 | Carte | XEN1.4 | Xenophon | Institutio Cyri | da |
| 4200 | Carte | XEN1.5 | Xenophon | De Re Equestri | da |
| 4201 | Carte | XEN1.1 | Xenophon | Anabase (Morceaux choisis) | da |
| 4202 | Carte | XEN1.6 | Xenophontis | Expeditio Cyri | da |
| 4203 | Carte | YEH1.2 | Yehudah ha-Leṿi | The Book of Kuzari | da |
| 4204 | Carte | YEH1.1 | Yĕhūdāh hal-Lēwī | Das Buch al-Chazari des Abû-L-Ḥasan Jehuda Hallewi | da |
| 4205 | Articol | X-yol1.2 | Yolles, Julian | Rethinking Abelard | da |
| 4206 | Carte | YOU2.1 | Young, Patrick | Catalogus librorum manuscriptorum bibliothecae wigorniensis | da |
| 4207 | Carte | YOU1.1 | Young, Spencer E. | Scholarly community at the early univerity of Paris : theologians, education and society, 1215-1248 | da |
| 4208 | Carte | YOU1.2 | Young, Spencer E. (ed.) | Crossing Boundaries at Medieval Universities | da |
| 4209 | Carte | ALB3.1 | Yūsuf al-Baṣīr | Das Buch der Unterscheidung | da |
| 4210 | Carte | ~D.LZ.1 | Zapartan, Liviu-Petru | Relatiile internationale | da |
| 4211 | Carte | ZEH1.1 | Zehnacker, Hubert ; Fredouille, Jean-Claude | Littérature latine | da |
| 4212 | Carte | ZEL1.1.1 | Zeller, Edoardo | La filosofia dei greci nel suo sviluppo storico (vol. I) | da |
| 4213 | Carte | ZEL1.1.2 | Zeller, Edoardo; Mondolfo, R. | La filosofia de greci nel suo sviluppo storico (vol. II) | da |
| 4214 | Carte | ZEL2.1 | Zeller, Franz | Die Apostolischen Väter | da |
| 4215 | Carte | BIBL1.16 | Zerdoun Bat-Yehouda, Monique | Les papiers filigranés des manuscrits hébreux datés jusqu'à 1450 | da |
| 4216 | Carte | ZIC1.1#2 | Zickermann, Kathrin | Across the German Sea. Early Modern Scottish Connections with the Wider Elbe-Weser Region | da |
| 4217 | Carte | ZIC1.1#1 | Zickermann, Kathrin | Across the German Sea. Early Modern Scottish Connections with the Wider Elbe-Weser Region | da |
| 4218 | Carte | ZWA1.1 | Zwaenepoel, John P. | Les quaestiones in Librum de causis atribuées à Henri de Gand | da |
| 4219 | Carte | MAR5.2 | [Marcus Aurelius] M. Antoninus Imperator | Ad se ipsum | da |
| 4220 | Carte | SAB1.1 | ʻAbd al-Ḥaqq ibn Ibrāhīm Ibn Sabʻīn | Die Sizilianischen Fragen | da |
