Harris, John R. The Copper King : a biography of Thomas Williams of Llanidan. Liverpool : Liverpool University Press, 1964. 194p
Particulars and plan of desirable freehold farms and lands situate in the several parishes of Llanidan, Ceirchiog, Amlwch, Llangoed, and Llaniestyn in the County of Anglesea [sic] : sold by auction by Mr. Wm. Dew, 22 August 1861, at the Bull Hotel, Llangefni. Chester : W.F. and M. Healey, 1861. 6p
Roberts, John. Plans of properties in the parishes of Llanidan, Llanfihangel Esceifiog, Llanddaniel, Llaniestyn, Heneglwys and Llangefni in the couty of Anglesey. c 1756. 17 maps
Trefdraeth parish; Llanidan parish; Llangristiolus parish. Particulars with plans of very valuable ....freehold estates, farms and lands ... two thousand seven hundred acres .... to be sold by auction in 48 lots / By Mr. William Dew at The Bull Inn, Llangefni on Thursday the 17th and Friday the 18th days of August 1865.