Papers relating to his family history, including David Davies of Llanilar, grandfather of J. Glyn Davies and tea merchant; papers relating to Uncle Frank (Captain Frank Harold Davies) and a letter from Uncle Frank, 1933, to Gwion, from China (maritime service, 1904-1935); and photocopies of letters from him to his parents from Shanghai.
Papers relating to the unveiling of a plaque at 38 Devonshire Road, Liverpool, 2004 (Gŵyl y Brodyr Davies), 23-24 October 2004; lectures and papers relating to their brother Captain Arthur Stanley Davies and his daughter Gwen Robson; together with a typescript (photocopy) of ‘A Liverpool Welsh family’ by J. Glyn Davies and a letter from his mother Gwen Davies to J. Glyn Davies, 1898.