A letter dated 28 April 1925 from J. Rhosydd Williams, Rhosllannerchrugog to Sir John Ballinger (1860-1933), first librarian of the National Library of Wales, containing information about William Jones, chandler, Porthmadog, who founded a Church of Christ at Porthmadog, and also particulars about the Scottish Baptists church at Criccieth and about Dr W. Jones Williams, Middlesborough.