'Helps towards a more copious Cambrian Biography' containing 'A List [the surnames alphabetically arranged] of Welshmen who attained the Episcopal Dignity, from the year 1558 ... to 1714'. At the beginning is an extract from a letter, dated October 7, 1825, from John Jenkins ('Ifor Ceri', 1770-1829) to Thomas Beynon, archdeacon of Cardigan.
A copy, which belonged to John Jenkins, of Owen Williams (o Fôn) : Brenhinol Ganiadau Sion neu Gynghanedd Newydd Gymraeg Yn Cynnwys Hen Beroriaethau Brytanaidd a Rhai Diweddar Heb eu Hargraphu o'r blaen (London, [c. 1820]).