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 liege men..." The Great Charter was referred to in legal cases throughout the medieval period. For example, in 1226, the knights of Lincolnshire argued that their local sheriff was changing customary practice regarding the local courts, "contrary to their liberty which they ought to have by the charter of the lord king". In practice, cases were not brought against the King for breach of Magna Carta and the Forest Charter, but it was possible to bring a case against the King's officers, such as his sheriffs, using the argument that the King's officers were acting contrary to liberties granted by