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appeared in legal cases, either because the issues concerned were no longer relevant, or because Magna Carta had been superseded by more relevant legislation.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 at large, but rather to the protection of baronial rights. This view also became popular in wider circles, and in 1930 Sellar and Yeatman published their parody on English history, "1066 and All That", in which they mocked the supposed importance of Magna Carta and its promises of universal liberty: "Magna Charter was therefore the chief cause of Democracy in England, and thus a "Good Thing" for everyone (except the Common People)". In many literary representations of the medieval past, however, Magna Carta remained a foundation of English national identity. Some authors used the medieval roots of the document as