Pietro Mascagni | Pietro Bembo | Pietro da Cortona | Ponte San Pietro | The Battle of San Pietro | Pietro Tacca | Pietro Perugino | Pietro Canonica | Pietro Annigoni | San Pietro in Casale | Pietro Tenerani | Pietro Tagliavia | Pietro Frua | Pietro Consagra | Santi Giovanni e Paolo, Venice | San Pietro in Ciel d'Oro | Pietro Verri | Pietro Scalia | Pietro Lombardi | Pietro Gori | Pietro Delitala | Pietro de' Crescenzi | Pietro Badoglio | Santi Quattro Coronati | Santi Giovanni e Paolo, Rome | Santi Giovanni e Paolo | Pietro Paolo Cristofari | Pietro Nobile | Pietro Musumeci | Pietro IV Candiano |
Pope Leo created him Cardinal Priest of Santi Marcellino e Pietro in the consistory of June 22, 1896, and he ceased to serve as Nuncio.
He also designed the bell tower for Santa Maria dei Miracoli, the church of Santi Marcellino e Pietro in Rome, the church of San Pietro at Vicovaro, near Tivoli, and the altar of the Immaculate Conception in the Cathedral of Tivoli.