Papers of Rev. R. Meirion Roberts, comprising fifty seven notebooks containing sermons in Welsh, 1946-51 and undated, most of which were delivered at Laird Street Presbyterian Church of Wales, Birkenhead; some 3,000 cards containing sermons, mainly in English, 1930s-60s; a bundle of sermons in English and Welsh, 1930s, 1950, and undated; and a few miscellaneous notes.

Papurau a phregethau y Parch. Euros Bowen,1922-1983, yn cynnwys drafftiau cerddi, nodiadau darlithoedd ar ddiwinyddiaeth ac athroniaeth, 1929-1933; gweithiau llenyddol,1944-1977; dyddiaduron gwyliau, 1955-1980; gohebiaeth yn ymwneud â Chomisiwn Sefydlog Ymgynghorol Litwrgi yr Eglwys yng Nghymru a drafftiau o litwrgïau, 1967-1974; a thorion papur newydd a phapurau printiedig, 1953-1963 = Papers and sermons of the Rev. Euros Bowen, 1922-1983, including drafts of poems, lecture notes on theology and philosophy, 1929-1933; literary works, 1944-1977; holiday diaries, 1955-1980; correspondence realting to the Standing Liturgical Advisory Commission and draft liturgies, 1967-1974; and newspaper cuttings and printed papers, 1953-1983.

Papurau'r Parch. Dan Jones, [20 gan., canol], yn cynnwys pregethau a nodiadau'n ymwneud â phregethau. = Papers of the Rev. Dan Jones, [mid-20 cent.], comprising sermons and notes relating to sermons.

Papurau Pelidros yn cynnwys barddoniaeth, drafftiau cerddi, libreto a thorion papur newydd o'i farddoniaeth cyhoeddedig,1903-1933; rhyddiaith, yn cynnwys dramâu, dadleuon, bywgraffiadau, darlithoedd, traethodau ac anerchiadau,1904-1932; llawysgrifau, nodiadau a thorion papur newydd o'i bregethau, 1906-1938; llythyrau ato ef a'i deulu, 1878-1928; dyddiaduron,1906-1958; a phapurau personol a theuluol, 1904-1958 = Papers of Pelidros comprising poetry, drafts of poems, libretto and newspaper cuttings of published poetry, 1903-1933; prose, comprising dramas, debates, biographies, lectures, essays and addresses, 1904-1932; manuscripts, notes and newspaper cuttings of sermons by him, 1906-1938; letters to him and his family, 1878-1928; diaries, 1906-1958; and personal and family papers, 1904-1958.

Papurau Berllanydd, [1929]-1984, yn cynnwys dyddiaduron, 1929-1933,1935-1970, 1982-1984, papurau personol yn cynnwys copïau o'i ewyllys,1981,nodiadau ar gyfer pregethau, anerchiadau crefyddol a gwaith bugeiliol, barddoniaeth a deunydd eisteddfodol, torion papur newydd a deunydd printiedig. = Papers of Berllanydd, [1929]-1984, comprising diaries, 1929-1933, 1935-1970, 1982-1984, personal papers including copies of his will, 1981, notes for sermons, religious addresses and pastoral work, poetry and eisteddfod material, newspaper cuttings and printed material.