Vestiges of the doctrine of the celestial Hades are even found in Dante, Marsile 1413 August. Civ. Dei X 9.2. 1414 Procl. In Tim. II 11.10 (Diehl) = III, p. 33 (Festugière), trans. by A.J. Festugière. 1415 Boet. Cons. philos. IV 4.23 (Moreschini), our translation. 1416 Bed. Hist. Eccl. Gent. Angl. III 19.145-149 (Lapidge). 1417 See in particular C. Braga, Le paradis interdit au Moyen Âge II. La quête manquée de l’Avalon occidental, Paris, L’Harmattan, 2006, pp. 169-192, without the author noting the comparison with Purgatory pa