Magna Carta Cathedral also holds a copy, with the Bodleian Library holding a third. The fourth copy of the 1225 exemplification was held by the museum of the Public Record Office and is now held by The National Archives. The Society of Antiquaries also holds a draft of the 1215 charter (discovered in 2013 in a late 13th-century register from Peterborough Abbey), a copy of the 1225 third re-issue (within an early 14th-century collection of statutes) and a roll copy of the 1225 reissue. Only two exemplifications of Magna Carta are held outside England, both from 1297. One of these was purchased
Magna Carta popes had emphasised the importance of the church being governed more effectively from Rome, and had established an independent judicial system and hierarchical chain of authority. After the 1140s, these principles had been largely accepted within the English church, even if accompanied by an element of concern about centralising authority in Rome. These changes brought the customary rights of lay rulers such as John over ecclesiastical appointments into question. As described above, John had come to a compromise with Pope Innocent III in exchange for his political support for the King, and clause 1 of Magna Carta prominently displayed this