1. Acosta J de (1590) De temporibus novissimis. Ex typographia Iacobi Torneriy, Roma
2. Ackerman Smoller L (1994) History, prophecy, and the stars: the Christian astrology of Pierre d’Ailly. Princeton University Press, Princeton, pp 1350–1420
3. Alighieri D (2013) In: Chimenz SA (ed) La Divina Commedia. UTET, Torino
4. Angelov D (2007) Imperial ideology and political thought in Byzantium. Cambridge University Press, Cambridge, pp 1204–1330
5. Armstrong MC (2004) The politics of piety: Franciscan preachers during the wars of religion. University of Rochester Press, Rochester, pp 1560–1600