Magna Carta the King in the charters. In addition, medieval cases referred to the clauses in Magna Carta which dealt with specific issues such as wardship and dower, debt collection, and keeping rivers free for navigation. Even in the 13th century, some clauses of Magna Carta rarely appeared in legal cases, either because the issues concerned were no longer relevant, or because Magna Carta had been superseded by more relevant legislation. By 1350 half the clauses of Magna Carta were no longer actively used. During the reign of King Edward III six measures, later known as the "Six Statutes", were passed between
Magna Carta bill failed, lawyer John Selden argued during Darnell's Case in 1627 that the right of "habeas corpus" was backed by Magna Carta. Coke supported the Petition of Right in 1628, which cited Magna Carta in its preamble, attempting to extend the provisions, and to make them binding on the judiciary. The monarchy responded by arguing that the historical legal situation was much less clear-cut than was being claimed, restricted the activities of antiquarians, arrested Coke for treason, and suppressed his proposed book on Magna Carta. Charles initially did not agree to the Petition of Right, and refused to confirm Magna