| 4231 | Carte | WIN1.1 | Winiarczyk, M. (ed.) | Diagoras Melius et Theodorus Cyrenaeus reliqviae | da |
| 4232 | Articol | x-wis1.1 | Wisdom, J.O. | Why Achilles does not Fail to Catch the Tortoise | da |
| 4233 | Carte | WIT1.1 | Witt, Ronald G. | The Two Latin Cultures and the Foundation of Renaissance Humanism in Medieval Italy | nu |
| 4234 | Carte | WOL1.1 | Wolter, Allan B. | The transcedentals and their function in the metaphysics of Duns Scotus | da |
| 4235 | Carte | WOO2.1 | Woodhouse, Christopher M. | George Gemistos Plethon : the last of the Hellenes | da |
| 4236 | Carte | WOO1.1 | Woozley, A. D. | LAW AND OBEDIENCE. The arguments of Plato`s Crito | da |
| 4237 | Carte | WRA1.1 | Wranovix, Matthew P. | Priests and their books in late medieval Eichstätt. Parish priests and their books | da |
| 4238 | 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 |
| 4239 | Carte | WUS1.1 | Wüsthof, Lucas | Schwabenspiegel und Augsburger Stadtrecht | da |
| 4240 | Carte | WYS1.1 | Wyser, Paul | Thomas von Aquin | da |
| 4241 | Carte | XEN1.2 | Xenophon | Memorabilia | da |
| 4242 | Carte | XEN1.4 | Xenophon | Institutio Cyri | da |
| 4243 | Carte | XEN1.5 | Xenophon | De Re Equestri | da |
| 4244 | Carte | XEN1.1 | Xenophon | Anabase (Morceaux choisis) | da |
| 4245 | Carte | XEN1.6 | Xenophontis | Expeditio Cyri | da |
| 4246 | Carte | YEH1.2 | Yehudah ha-Leṿi | The Book of Kuzari | da |
| 4247 | Carte | YEH1.1 | Yĕhūdāh hal-Lēwī | Das Buch al-Chazari des Abû-L-Ḥasan Jehuda Hallewi | da |
| 4248 | Articol | X-yol1.2 | Yolles, Julian | Rethinking Abelard | da |
| 4249 | Carte | YOU2.1 | Young, Patrick | Catalogus librorum manuscriptorum bibliothecae wigorniensis | da |
| 4250 | Carte | YOU1.1 | Young, Spencer E. | Scholarly community at the early univerity of Paris : theologians, education and society, 1215-1248 | da |
| 4251 | Carte | YOU1.2 | Young, Spencer E. (ed.) | Crossing Boundaries at Medieval Universities | da |
| 4252 | Carte | ALB3.1 | Yūsuf al-Baṣīr | Das Buch der Unterscheidung | da |
| 4253 | Carte | ~D.LZ.1 | Zapartan, Liviu-Petru | Relatiile internationale | da |
| 4254 | Carte | ZEH1.1 | Zehnacker, Hubert ; Fredouille, Jean-Claude | Littérature latine | da |
| 4255 | Carte | ZEL1.1.1 | Zeller, Edoardo | La filosofia dei greci nel suo sviluppo storico (vol. I) | da |