Part of E. Ceredig Jones Manuscripts
Addresses on 'Ymweliad a Chanada a'r Unol Dalaethau ...', 'The Manners and Characteristics of the Welsh People', 'The Disestablishment of the English Church in Wales', etc., written by E. Ceredig Jones, and genealogical particulars concerning his parents and their children compiled by his niece, Mary Evans, Tannerdy, Ciliau Aeron.
Part of D. D. Williams manuscripts
Fragments of essays on 'Egwyddor Cenedlaetholdeb, ei phwysigrwydd ymarferol a'i dylanwad, gyda chyfeiriad neilltuol at Gymru. The principle of Nationality: its practical importance and power, with special reference to Wales', submitted for competition at the National Eisteddfod at Aberystwyth, 1916; ['Bywyd Cymdeithasol y Mabinogion. Manners and Morals of the Mabinogion', submitted for competition at the National Eisteddfod at London, 1909]; and ['Llawlyfr Cymraeg ar "Ddinasyddiaeth". A Welsh Handbook on "Citizenship"', submitted for competition at the National Eisteddfod at Mold, 1923].