Cofiant Ellis Jones Griffith (1969),
- F 43-54.
- Cyfres
- 1891-1969.
Cofiant Ellis Jones Griffith (1969),
British Broadcasting Corporation (BBC)
Scripts, correspondence and notes, 1938-1965, for radio programmes mostly involving T. I. Ellis.
British Broadcasting Corporation
Manuscripts, papers and photographs, 1942-1972, relating to volumes by T. I. Ellis in the Crwydro series.
Papers, 1939-1975, relating to 'The Road in Wales', T. I. Ellis's translation into English of R. T. Jenkins, Y Ffordd yng Nghymru (Wrexham, 1933). The translation is unpublished.
Newspaper and magazine articles
Manuscript and typescript drafts and cuttings, 1926-1970, mostly of newspaper and magazine articles by T. I. Ellis, together with some related correspondence.
Davies and Charles correspondence
Letters to Mrs Annie J. Ellis, later Hughes-Griffiths, correspondents J-Y
'Welsh Girls in London'.
Miscellanea, including notebooks, press cuttings, notes for speeches and addresses,
Welsh Schoolboys Camp Movement,
Governing Body of the Church in Wales,
Representative Body of the Church in Wales,
'Crwydro' series.