Title: Le tombe dei papi in Viterbo a la chiese di S. Maria in Gradi, d[i] S. Francesco e di S. Lorenzo
Subjects: Popes, Tombs, Church buildings, History, Tomb
Places: Italy, Viterbo, Viterbo (Italy)
People: Adrian V Pope (-1276), John XXI Pope (-1277), Clement IV Pope (-1268), Alexander IV Pope (-1261)