Niclas y Glais and his arrest,
- NLW Facs 1004.
- Ffeil
- [2006].
Photocopies of files in The National Archives relating to T. E. Nicholas (1879-1971) when he was arrested in Llanbrynmair in July 1940 and taken with his son Islwyn ap Nicholas to Swansea prison, together with a copy of the proceedings in October 1940 after a Home Office Advisory Committee heard their case at Ascot when they were released.