- NLW MS 23699E, f. 171.
- 16 Ionawr [?1964] /
Part of Miscellaneous letters and papers
A letter, 16 January [?1964], in Welsh, from John Wyn Owen to Goronwy Prys Owen, relating to the filming of last services at Capel Celyn, Merionethshire, in September 1963, prior to the flooding of the Tryweryn reservoir.
Owen, John Wyn, Cambridge.