An autograph letter, 29 May 1813, from the Rev. Thomas Charles, Bala, to Joseph T[regelles] Price, Neath Abbey, concerning Charles's work preparing a new edition of the Welsh Bible for publication by the British and Foreign Bible Society (i.e. Y Bibl Cyssegr-lan, Sef yr Hen Destament a'r Newydd (London, 1814, Libri Walliae 401)) and his frustration at the relative paucity of Sunday Schools in South Wales, in particular Glamorgan, Monmouthshire and Breconshire.
The letter was printed in full in D. E. Jenkins, The Life of the Rev. Thomas Charles, B.A., of Bala, 3 vols (Denbigh, 1908), III, pp. 476-478.