Howell Harris, Daniel Rowland and their converts form the Methodist Association in Wales. One of these, William Prichard, is exiled with his family from Glasfryn Fawr and relocates to Plas Penmynydd, Anglesey.
Nicholas, Thomas (1991). Annals and antiquities of the counties and county families of Wales. Baltimore: Genealogical Pub. Co. p.695. ISBN9780806313146.
Arthur Collins (1768). The Peerage of England ... The third edition, corrected and enlarged in every family, with memoirs, not hitherto printed. H. Woodfall. p.235.
Williams, William Retlaw (1895). The Parliamentary History of Wales. Priv. print. for the author by E. Davis and Bell. pp.26, 130. Retrieved 17 October 2007.
Egerton, Judy, "Thomas Jones (1742–1803)". Oxford Dictionary of National Biography. Ed. H. C. G. Matthew and Brian Harrison. Oxford: Oxford University Press, 2004.