Hughes, O. Hanes plwyf Trefdraeth. Bangor : Jarvis & Foster, [190-]
Parry, Gwenfair. Trefdraeth (Anglesey). In The Welsh language and the 1891 census p. 439-453
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.