Title: La Perdonanza celestiniana e la Porta Santa di Collemaggio
Subjects: Church doors, Santa Maria di Collemaggio (Church : L'Aquila, Italy), Religious life and customs, Indulgences, History of doctrines, History
Places: L'Aquila (Italy), Italy, L'Aquila
People: Celestine V Pope (1215-1296)
Time periods: Middle Ages, 600-1500