William Lloyd Jones Papers 1881- (mainly 1881-1887) - details of extant records on Archives Network Wales
"Papers of William Lloyd Jones, relating to his sale of Bryn-y-Gloch in Tudweiliog, Bryntirion in Llanengan and Ty Newydd in Pistyll
all Caernarfonshire, comprising deeds, plans and other papers, 1881-1883, , and correspondence with the auctioneer and solicitors, 1882-1884; and correspondence with Nevin United Granite Quarries (Carnarvonshire) Limited relating to the possible sale of Ty Newydd, 1886-1887 "
Plan of Pistyll Properties 1870 - details of extant records on Archives Network Wales
"Plan of Bryndwchwydd, Cae'rorsedd and Carreg y Dinas in Pistyll, Caernarfonshire"