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 King without Parliament. This supremacy would be challenged by the likes of Granville Sharp. Sharp regarded Magna Carta as a fundamental part of the constitution, and maintained that it would be treason to repeal any part of it. He also held that the Charter prohibited slavery. Sir William Blackstone published a critical edition of the 1215 Charter in 1759, and gave it the numbering system still used today. In 1763, Member of Parliament John Wilkes was arrested for writing an inflammatory pamphlet, "No. 45, 23 April 1763"; he cited Magna Carta continually. Lord Camden denounced the treatment of Wilkes as