CD: History of the Ancient Ryedales and their Descendants in Normandy, Great Britain, Ireland, and America from 860 to 1884: Comprising the Genealogy and Biography, for about One Thousand Years, of The Families of Riddell, Riddle, Ridlon, Ridley, Etc. - G. T. Ridlon. Undertaken in 1872 and requiring twelve years to complete, this book includes much more biographical information than most genealogies, and is a descriptive anthology of family history. It traces the family lines from the ancient Scandinavian Northmen to those who eventually settled in Scotland, Ireland, England, America and Canada. (1884), 2005, CD, Graphic Images, Adobe Acrobat, v6, PC and Mac, 840 pp.