Correspondence, 1942-1975, relating to 'The Road in Wales', comprising correspondence of T. I. Ellis with potential publishers, 1969-1970, a rejection letter sent to Mari Ellis, 1975, and a letter to TIE from R. T. Jenkins, 1942.
Family and general correspondence of Mari Ellis, 1932-2006.
Correspondence and estate papers relating to the Cwmcynfelyn estate,
Correspondence and lists of questions, 1958-64, relating to 'Round Britain Quiz', including letters from Ll. Wyn Griffith, 1958-9.
Correspondence and lists of questions, 1960-1, relating to 'Am y Gore',
Correspondence and lists of questions, 1960-1, relating to 'Am y Gore'.
Correspondence and notes relating to the preparation and publication of Crwydro Ceredigion (1952), together with a draft of the index and an offprint of pp. 17-48.
Correspondence and papers accumulated by T. I. Ellis as a member of the Council of the Institute of Christian Education, mainly relating to conferences, meetings and standing committees.
Correspondence and papers concerning Annie J. Hughes-Griffiths's membership of the Rural Housing Advisory Committee, including a letter from L. J. Burdon Evans.
Correspondence and papers concerning Laura Evans-Williams (1883-1944),
Correspondence and papers concerning the unveiling of the Owain Glyn Dr memorial at Glyndyfrdwy on 5 September 1931.
Correspondence and papers concerning the Welsh School of Social Services, including minutes of meetings, memoranda, publications, reports and accounts. The correspondents include Professor Richard I. Aaron, Sir Ifan ab Owen Edwards, Rev. Gwilym Davies, Archbishop A. G. Edwards, Principal Sir D. Emrys Evans, Captain Ernest Evans, Professor Idwal Jones, Professor T. Gwynn Jones, Herbert Morgan, Sir Rhys Hopkin Morris, Sir Ben Bowen Thomas, Sir Percy E. Watkins and Dame Olive Wheeler.
Correspondence and papers, 1930-59, mainly concerning the Schools' Section and the Schools' Advisory Council of the Student Christian Movement.
Correspondence and papers mainly concerning the work of the Institute of Christian Education in schools and colleges. Some relate to the work of the Christian Auxiliary Movement.
Correspondence and papers relating to education and housing, mainly in London, including letters from D. Cunllo Davies and Sir William Joynson Hicks, Home Secretary.
Correspondence and papers relating to John Humphreys Davies's death and estate, including a copy of his memorial service card, letters from Vice-Principal Edward Edwards and notes for a tribute at John Humphreys Davies's funeral.