Papurau gwleidyddol E. G. Millward, 1959-1976, yn cynnwys deunydd yn ymwneud â'r economi Gymreig, 1966-1969; etholiadau cyffredinol, 1959-1974; gohebiaeth Grŵp Ymchwil Plaid Cymru ar Amaethyddiaeth, 1966-1970; papurau'n ymwneud ag Etholiad Cyffredinol 1970; cofnodion yn ymwneud â chyhoeddiadau Plaid Cymru, 1966-1970; papurau a thorion papur newydd yn ymwneud â'r economi a swyddi yng Nghymru, 1959-1976; papurau'n ymwneud â'r iaith Gymraeg, 1967-1981; a gohebiaeth a phapurau cyffredinol, 1969-1976 = Political papers of E. G. Millward, 1959-1976, including papers relating to the Welsh economy, 1966-1969; general elections, 1959-1974; correspondence of the Plaid Cymru Research Group relating to farming, 1966-1970; papers relating to the General Election 1970; records relating to Plaid Cymru publications, 1966-1970; papers and newspaper cuttings relating to the economy and to employment in Wales, 1959-1976; papers relating to the Welsh language and education, 1967-1981; and correspondence and general papers, 1969-1976.

Holograph manuscripts of essays, articles and addresses by Samuel Roberts ('S.R.'):- 'Address on behalf of Sabbath Schools'; 'Adgofion Cymru, y Gymraeg, a'r Cymry'; 'Rhai o'r siomedigaethau a'r Trallodion a welsom yn Tennessee'; 'Cynghorion i Athrawon yr Ysgol Sabbothol'; and 'Cynghorion i gyfansoddwyr ieuanc'.

Articles, mainly intended for publication in Y Cronicl:- 'Gostyngeiddrwydd' by Benjamin Evans, Stradmore, Llandysul, Cardiganshire; 'Yr Iaith Gymraeg' by David Davies, Llanelly; 'Ffyddlondeb Crefyddol', by David Foulkes Lloyd, Manchester; 'Hunan-amddiffyniad' - a letter by G. Penrith Thomas; 'Capel Methodistaidd y Rock, Swydd Fynwy', by William Jones ('Asaph Gwent'); and a file of papers by Samuel Roberts ('S.R.'), including an address on 'Pwyllgorau Etholiadol', and 'Nadolig gyda'r Cymry yn Workington'.

A volume containing over eighty letters, 1906-1914, from Charles William Dymond (1833-1915), antiquary and Quaker, to Richard Griffith Owen (Pencerdd Llyfnwy) relating mainly to the correspondent's interest in the Welsh language and culture; together with one letter, 1915, from his son, Philip W. Dymond.
Papers found loose inside the volume have been tipped in on ff. i-v.