| 3856 | WIL1.1 | William of Saint Amour | De periculis novissimorum temporum | nu |
| 3857 | WIL5.1 | Williams, David | Deformed discourse. The function of the monster in mediaeval thought and literature | da |
| 3858 | WIL2.1 | Wilpert, Paul (ed) | Die Metaphysik im Mittelalter | da |
| 3859 | WIL4.1#2 | Wilson, Malcolm | Structure and Method in Aristotle's Meteorologica. A More Disorderly Nature | nu |
| 3860 | WIL4.1#1 | Wilson, Malcolm | Structure and Method in Aristotle's Meteorologica. A more disorderly Nature | da |
| 3861 | WIN2.1 | Windelband, Wilhelm | Geschichte der Antiken Philosophie | da |
| 3862 | WIN1.1 | Winiarczyk, M. (ed.) | Diagoras Melius et Theodorus Cyrenaeus reliqviae | da |
| 3863 | WIT1.1 | Witt, Ronald G. | The Two Latin Cultures and the Foundation of Renaissance Humanism in Medieval Italy | nu |
| 3864 | WOH1.1 | Wohlman, Avital | Thomas d'Aquin et Maïmonide | da |
| 3865 | WOL1.1 | Wolter, Allan B. | The transcedentals and their function in the metaphysics of Duns Scotus | da |
| 3866 | WOO2.1 | Woodhouse, Christopher M. | George Gemistos Plethon : the last of the Hellenes | da |
| 3867 | WOO1.1 | Woozley, A. D. | LAW AND OBEDIENCE. The arguments of Plato`s Crito | da |
| 3868 | WRA1.1 | Wranovix, Matthew P. | Priests and their books in late medieval Eichstätt. Parish priests and their books | da |
| 3869 | 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 |
| 3870 | WUS1.1 | Wüsthof, Lucas | Schwabenspiegel und Augsburger Stadtrecht | da |
| 3871 | WYS1.1 | Wyser, Paul | Thomas von Aquin | da |
| 3872 | XEN1.1 | Xenophon | Anabase (Morceaux choisis) | da |
| 3873 | XEN1.3 | Xenophon | Anabasis | da |
| 3874 | XEN1.2 | Xenophon | Memorabilia | da |
| 3875 | XEN1.4 | Xenophon | Institutio Cyri | da |
| 3876 | XEN1.5 | Xenophon | De Re Equestri | da |
| 3877 | XEN1.6 | Xenophontis | Expeditio Cyri | da |
| 3878 | YEH1.2 | Yehudah ha-Leṿi | The Book of Kuzari | da |
| 3879 | YEH1.1 | Yĕhūdāh hal-Lēwī | Das Buch al-Chazari des Abû-L-Ḥasan Jehuda Hallewi | da |
| 3880 | YOU2.1 | Young, Patrick | Catalogus librorum manuscriptorum bibliothecae wigorniensis | da |
| 3881 | YOU1.1 | Young, Spencer E. | Scholarly community at the early univerity of Paris : theologians, education and society, 1215-1248 | da |
| 3882 | YOU1.2 | Young, Spencer E. (ed.) | Crossing Boundaries at Medieval Universities | da |
| 3883 | ALB3.1 | Yūsuf al-Baṣīr | Das Buch der Unterscheidung | da |
| 3884 | ~D.LZ.1 | Zapartan, Liviu-Petru | Relatiile internationale | da |
| 3885 | ZEH1.1 | Zehnacker, Hubert ; Fredouille, Jean-Claude | Littérature latine | da |
| 3886 | ZEL1.1.1 | Zeller, Edoardo | La filosofia dei greci nel suo sviluppo storico (vol. I) | da |
| 3887 | ZEL1.1.2 | Zeller, Edoardo; Mondolfo, R. | La filosofia de greci nel suo sviluppo storico (vol. II) | da |
| 3888 | ZEL2.1 | Zeller, Franz | Die Apostolischen Väter | da |
| 3889 | BIBL1.16 | Zerdoun Bat-Yehouda, Monique | Les papiers filigranés des manuscrits hébreux datés jusqu'à 1450 | da |
| 3890 | ZIC1.1#2 | Zickermann, Kathrin | Across the German Sea. Early Modern Scottish Connections with the Wider Elbe-Weser Region | da |
| 3891 | ZIC1.1#1 | Zickermann, Kathrin | Across the German Sea. Early Modern Scottish Connections with the Wider Elbe-Weser Region | da |
| 3892 | ZWA1.1 | Zwaenepoel, John P. | Les quaestiones in Librum de causis atribuées à Henri de Gand | da |
| 3893 | MAR5.2 | [Marcus Aurelius] M. Antoninus Imperator | Ad se ipsum | da |
| 3894 | SAB1.1 | ʻAbd al-Ḥaqq ibn Ibrāhīm Ibn Sabʻīn | Die Sizilianischen Fragen | da |
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