A large collection of papers containing letters from various correspondents to R. (Silyn) Roberts, some from prominent literary figures such as W.J. Gruffydd, T. Gwynn Jones and Cynan - one letter from David Lloyd George. The topics covered include the poetry of R. (Silyn) Roberts, his work with the WEA and the Labour Party, and personal matters. Some correspondence is addressed to Mrs Silyn Roberts, 1930-1939 and some from R. (Silyn) Roberts to his family, 1896-1930
There is an incomplete set of R. (Silyn) Roberts' diaries, 1896 -1930. Also, drafts of his own poetry, essays, adjudications, and notes on various subjects, including his own collections of poetry and his biography. There are notes on sermons, examination papers, research notes on Arthurian Legend, applications for posts, photographs, a labour party address and lecture notes when studying at UCNW and at Bala Theological College.
There are papers, including correspondence and accounts, relating to the First World War and the suffering experienced in Wales; the poetry of Hedd Wyn and the Hedd Wyn Memorial Fund, 1917-1926; a trip to the United States with the Moelwyn Choir to collect money towards the campaign against tuberculosis in Wales, 1911-1912.