Original sentence: "  Some scholars have even characterized the "Liber Pontificalis," like the works of Pseudo-Isidore, the Donation of Constantine, and Decretum Gratiani, as a tool used by the medieval papacy to represent itself "as a primitive institution of the church, clothed with absolute and perpetual authority
Edited sentence: " Along with other documents such as the Pseudo-Isidore, Donation of Constantine, Decretum Gratiani, the Liber Pontificalis is viewed by critical historians as part of a "series of pious frauds" used by the medieval papacy to represent itself "as a primitive institution of the church, clothed with absolute and perpetual authority