Columbia subject headings:
Harvard subject headings:
Catholic Church. Poenitentiaria Apostolica--Correspondence.
Catholic Church. Poenitentiaria Apostolica.
Catholic Church. Poenitentiaria Aspostolica.
Civilization, Medieval
Dispensations.
Europe--History--476-1492.
Europe--History--To 1500.
Europe--Social conditions.
Europe--Social life and customs.
Middle Ages--Social life and customs.
Pius II, Pope, 1405-1464.
Renaissance
Social history--Medieval, 500-1500
Princeton subject headings:
Civilization, Medieval.
Europe--History--476-1492.
Middle Ages--Social life and customs.
Pius II, Pope, 1405-1464.
Renaissance.