Williams, Thomas. Hanes Achos Y Methodistiaid yn Tydweiliog a Phenllech. Pwllheli: Caradog Evans, 1909. 
Printed red wrappers, worn and creased, 4 3/4 x 7 1/4 inches, 59 pp., staple-bound. Photo post card of the Tydweliog chapel laid in, contemporary with the book, another color photograph tlaid in that was probably taken in the 1970's, of a building we have not identified. Fair. Pamphlet.
The History of the Methodist Case, or A Methodist Case History, at Tydweiliog and Phenllech. This looks to us (who remain unlearned of Welsh) to be a history of the Calvinistic Methodist society or church at this place.