The file comprises correspondence and papers, 1983-1984, relating to the appeal made by Brychan Davies against his expulsion from the Labour Party by the Rhondda Constituency Labour Party.

The file contains pamphlets relating to the history of the Communist Party, with material relating to Wales including the programme of the Rhondda area Communist Party conference, 1949.

A list of Rhondda field-names compiled by H[enry] Harris, Ystrad Rhondda, from records in the Bailey Estate Office, Ton Pentre, Glamorgan, in July 1898.

The Library was allowed to photocopy two essays on the history of the Rhondda written by John Middleton, Ferndale.

The file includes the election leaflets of Annie Powell, Communist candidate for Rhondda East and Jim David, Communist candidate for Neath.

Records, 1883-98, relating mainly to a case of alleged breach of contract between the Rhondda and Swansea Bay Railway Company and William Jones of Neath, building contractor. They include the records of the Rhondda and Swansea Bay Railway Company, 1878-1894, mainly financial; account books of William Jones of Neath, one of the contractors involved in building the Rhondda tunnel, 1884-1898, and papers relating to the breach of contract, 1884-1896, brought by William Jones against the company.

Papurau'r Parch James Ednyfed Rhys (Ap Nathan), a phapurau'r unigolion canlynol a ddaeth i'w feddiant: y Parch. Evan Rees (Dyfed), Jonathan Rees (Nathan Wyn), David Watkin Jones (Dafydd Morganwg) a Thomas Jones, Trealaw. Mae papurau Ap Nathan, 1901-1959, yn cynnwys cerddi a chaneuon, ysgrifau a chyfieithiadau; papurau Dyfed, 1869-1923, yn cynnwys llythyrau, nifer ohonynt o bwysigion llenyddiaeth Cymru, 1878-1923, dyddiaduron a llyfrau poced, 1873-1896, beirniadaethau eisteddfodau, 1887-1907, nodiadau darlithoedd a phregethau, a barddoniaeth, 1869-1899; papurau Nathan Wyn, 1874-1905, yn cynnwys llythyrau, 1874-1905, cerddi ac ysgrifau, 1883-1901, torion o'r wasg ar bynciau llenyddol, 1868-1900; papurau Thomas Thomas, 1900-[c. 1935], yn cynnwys llawysgrifau ar lên gwerin ac arferion, hanes Morgannwg, 1921-1933, y Wenhwyseg, enwau lleoedd Morgannwg, [c. 1893]-1931, a thorion o'r wasg, 1900-1911; a phapurau Dafydd Morganwg, yn cynnwys ei hunangofiant. = Papers of the Rev. James Ednyfed Rhys (Ap Nathan), and papers of the following acquired by him: the Rev. Evan Rees (Dyfed), Jonathan Rees (Nathan Wyn), David Watkin Jones (Dafydd Morganwg), a poet and historian from Merthyr Tydfil, Glamorgan, and Thomas Jones, antiquary and headmaster of Trealaw school in Rhondda, Glamorgan, whose interests included local history and folklore. The papers of Ap Nathan, 1901-1959, include poems and songs, essays and translations; the papers of Dyfed, 1869-1923, include letters, many from important Welsh literary figures, 1878-1923, diaries and pocket books, 1873-1896, eisteddfod adjudications, 1887-1907, lecture notes and sermons, and poetry, 1869-1899; the papers of Nathan Wyn, 1874-1905, include letters, 1874-1905, poetry and essays, 1883-1901, newspaper cuttings of literary material, 1868-1900; the papers of Thomas Jones, 1900-[c. 1935], include manuscripts on folklore and customs, Glamorgan history, 1921-1933, the Gwentian dialect, Glamorgan place names, [c. 1893]-1931, and newspaper cuttings, 1900-1911; and the papers of Dafydd Morganwg, historian and poet, including his autobiography.