Caernarvonshire War Agricultural Committee Maps - details of extant records on Archives Network Wales
"Caernarfonshire War Agricultural Committee maps and plans, 1900-[c
.1944], mostly relating to boundaries of property, owners, tenants and military use; plans for the crops and grazing and fertilising of farms in the parish of Tudweiliog
. 1944] "
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, , ................. "