Llythyr gollyngdod eglwys Blaenconyn,
- NLW MS 12041C.
- Ffeil
- 1846.
A petition by ninety members of Ffynnon Baptist Church, parish of Llanddewi Velfrey (Felffre), co. Pembroke, to incorporate Blaenconyn Baptist Church, parish of Llandysilio East, co. Carmarthen, together with a letter of dismission dated 8 October 1846.