Zoar Congregational Church, Tretŵr,
- NLW MS 21952A.
- Ffeil
- 1844-1854.
Renshaw and Kirkman's Improved Memorandum Book containing a list of persons subscribing towards the building of Zoar Congregational church, Tretŵr, Breconshire, 1844, and towards a general effort made by the churches at Cwmrhos and Tretwr, 1849, to clear the debt incurred in building the chapel, with related accounts, 1849-1854.