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
King Leonardo and His Short Subjects mascot. The segments also appeared during some NBC network rebroadcasts of "Underdog". The "Twinkles" segments were not included when "King Leonardo And His Short Subjects" was syndicated in a half-hour format during the 1980s. "King Leonardo and his Short Subjects" was part of NBC's Saturday-morning lineup until 1963. Each program followed "The Shari Lewis Show." The animation for the show's early segments was produced by TV Spots, with later episodes by Gamma Productions, the same Mexico-based studio that did much of the work for Jay Ward Productions. For this reason, and due to shared sponsorship by General Mills, Gamma has