Francis Blomefield,
History of Norfolk — Chapter 5
“ The whole of the castle, earldom, and city, being in the Conqueror's hands, he made Roger Bigot constable of the castle, who was the King's bailiff also, to gather all the rents arising from the borough of the castle, city, and earldom.In the year 1085, the Saxon Chronicle says, the King sent messengers into every county to take an exact account of every hide of land, and the several owners thereof, how much rent, cattle, &c. every one had, in short, the substance of every man in England, whether in land, cattle, or money, was set down ”
