While a monk in the Abbey of St. Paul Without the Walls, he made a collection of the numerous ancient inscriptions used in the pavement of the floor of the famous basilica or scattered among the cloister buildings and in the surrounding vineyards.
His collection of inscriptions and his works on the higher papal officials of the old Lateran Palace remained authoritative for some time.
Among his contributions to the history of the religious orders the following are noteworthy: Lettera intorno la vera e sicura origine del ven.
He was the author of a biography of the bishops of Viterbo, Lettera a Giannantonio Bersetta sopra alcuni vescovi di Viterbo (Rome, 1759), and of Cardinal Domenico Silvio Passionei, Memorie per servire alla storia della vita del card.
Finally, he produced first great collection of medieval inscriptions, treated as a source of historical information.