Pipe rolls now in the Cotton Library at the British Museum. Exactly when the Pipe rolls began to be produced is debated amongst historians. Some hold that they date from Henry I's reign, whether early or late in the reign, but others feel that they were introduced by King William I (reigned 1066–1087). The precursors of the records probably date to the Anglo-Saxon period, as the historian Pauline Stafford argues that financial records must have been kept in some form during the reigns of Cnut (reigned 1016–1035), Æthelred II (reigned 978–1016), and Edgar the Peaceable (reigned 959–975). There is a reference to
Edward V of England as Protector during the minority of his son. Both the new king and his party from the west, and Richard from the north, set out for London, converging in Stony Stratford, Buckinghamshire. On the night of 29 April Richard met and dined with Earl Rivers and Edward's half-brother, Richard Grey, but the following morning Rivers and Grey, along with the king's chamberlain, Thomas Vaughan, were arrested and sent north. They were all subsequently executed. Dominic Mancini, an Italian who visited England in the 1480s, reports that Edward protested, but the remainder of his entourage was dismissed and Richard escorted him