Charters constitute one of the most valuable sources of information for our knowledge of Anglo-Saxon England in the period between c. 700 and 1066. The great majority are in Latin, but about 200 (of the surviving corpus of about 1500) are in Old English, dating from the ninth, tenth and eleventh centuries. One hundred years ago H. M. Chadwick, Professor of Anglo-Saxon at Cambridge, conceived the idea of producing a new edition of the vernacular charters,...