Ipswich received its first charter from King John in 1200; the Corporation records survive from 1255, placing the borough archive among the earliest in England, antedated only by Leicester, Shrewsbury, Wallingford, London and Exeter. The archive is particularly rich in records of the medieval courts, most notably perhaps those of the Court of Petty Pleas, whose cases touched almost every aspect of town life, and those of the Petty Court of Recognizances - in effect a register of deeds furnishing a detailed record of transactions involving burgage tenements. The financial records of Treasurer...