Please note that your choice of borrowing branch library affects which collection points you will be offered when ordering or reserving items. It is also relevant for deciding the loan status of items ('for loan', 'for order', etc.)
Silvester <II., Papst>: Correspondance / Gerbert d'Aurillac. Texte établi, traduit et commenté par P. Riché .... - Paris: Les Belles Lettres, 1993- (Les classiques de l'histoire de France au Moyen Age ; ...)