File O 2391. - Amryw gyhoeddiadau

Amryw gyhoeddiadau, yn bennaf gan Blaid Cymru, gan gynnwys Bobi Jones (gol.), 'Camre Cymru: cerddi'r rali gan amryw feirdd', 1952; H. W. J. Edwards, 'What is Welsh nationalism', ail argr., 1953, 2nd ed., 1954; Dr J. Gwyn Griffiths, 'A parliament in Cardiff', 1953; Pennar Davies, 'Y gongl fach hon am Ddic Siôn Dafydd ac argyfwng ei enaid', [c.1953?]; Ymgyrch Senedd i Gymru, 'Senedd i Gymru', 1953; Parliament for Wales Campaign, 'Parliament for Wales', 1953; Gwynfor Evans, '70 cwestiwn ac ateb ar Blaid Cymru', ail argr., 1954; Dr Ceinwen H. Thomas, 'The return of a language: an experiment in the revival of Danish in South Slesvig; an address delivered ... to the annual conference of Undeb Cenedlaethol Athrawon Cymru', 1954; 'Polisi amaethyddol Pliad Cymru', 1954; 'Policy for Welsh agriculture by Plaid Cymru', 1954; Gwynfor Evans, 'The Labour Party and Welsh home rule', [post 1954]; Gwynfor Evans, 'The political broadcasts ban in Wales', 1955; J. E. Jones, '1925-1955, Cychwyn Plaid Cymru', 1955, yn cynnwys nodiadau; H. W. J. Edwards, 'Introducing Welsh nationalism', [post 1955]; Gwynfor Evans et al., 'Wales against conscription', [post 1955]; Gwynfor Evans et al., 'Our three nations, Wales : Scotland : England', 1956; F. M. Jones, 'Yr Eglwys a'r Blaid', 1956; 'Rali Plaid Cymru 1956, Bala, Medi 29: "Cadw Cwm Tryweryn i Gymru"', 1956; Gwynfor Evans, 'Save Cwm Tryweryn for Wales', [c.1956]; 'Have a go, Joe!: an easy quiz!', [post 1956]; Gwynfor Evans a J. E. Jones, 'Television in Wales', [1956x1970]; Gwynfor Evans, '80 cwestiwn ac ateb ar Blaid Cymru', [argr. gyntaf?], [c.1957], 4ydd argraffiad, [post 1963]; Gwynfor Evans, '80 questions and answers on Plaid Cymru', 3rd ed., [c.1957]; Gwynfor Evans, 'Gwersi Tryweryn', [c.1957]; Dr Ceinwen Thomas, 'Monmouthshire in Wales', [c.1957]; Gene Sharp, 'Which way to freedom: a study in non-violence', [1957x1971]; J. E. Jones, 'Y pleidiau Seisnig a'u cynffonnau yng Nghymru', [1958x1970]; J. E. Jones, 'Satellite parties in Wales', [1958x1970]; Dr R. Tudur Jones, 'Egwyddorion cenedlaetholdeb', 1959; Dr Leopold Kohr, 'An Austrian looks at Welsh nationalism', [c.1959]; Edward Nevin, 'Wales and the Common Market', 1960; 'Electricity board for Wales', [c.1960].