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 the origin of the trial by jury system, and acknowledged the ancient origins of Parliament: because of Magna Carta and this ancient constitution, an English monarch was unable to alter these long-standing English customs. Although the arguments based on Magna Carta were historically inaccurate, they nonetheless carried symbolic power, as the charter had immense significance during this period; antiquarians such as Sir Henry Spelman described it as "the most majestic and a sacrosanct anchor to English Liberties". Sir Edward Coke was a leader in using Magna Carta as a political tool during this period. Still working from the 1225 version