'Galargân i'r diweddar Mr. J. C. Jones, Llanarth' by 'Ffarwel Haf', submitted for competition at an eisteddfod held at Llanarth on Good Friday, 1914; 'Penillion er cof am J. C. Jones, Esq., Y. H. Llanarth ...' by 'Brodor Trist'; a draft order of seating at the Welsh National Banquet, 28 May, 1892; and a holograph letter from E. T. Davies, Tutorial School, New Quay, Cardiganshire, to Hywel [Jones], 1914 (ordination at Pisgah [Congregational Church, Llandysiliogogo], etc.).