The introduction discusses the county boundary; places entered in the wrong Domesday county; the Hundreds, their reconstruction, revised name-forms, and composition; later Hundreds; related or 'satellite' texts; the "Liber Exoniensis" (Exon); additional information in Exon; its relationship with Great Domesday; the "Victoria County History" translation; the Tax Returns; the state of the manuscript for the county; the identification of places; the editorial history of earlier versions of the notes, and the current state of the revision. Some material in this introduction derives from the original printed edition published by Phillimore (1983) and edited by Caroline and Frank Thorn