John, in 1308. The palace and the canons houses were rebuilt not long after; but at the time of Petrarch’s latest visit to Rome, and for years afterward, the church was without a roof, and its walls were ruinous. The poet addressed three at least of the Popes at Avignon with urgent appeals that this disgrace should no longer be permitted⁠—but the Popes gave no heed to his words; for the ruin of Roman churches, or of Rome itself, was a matter of little concern to these Transalpine prelates.”