Manuscript and typescript copies and drafts of poems by Wyn Griffith, many of which have been published as collections of his poetry or in various anthologies and journals.
Personal and miscellaneous papers, 1935-1950, including a copy of his birth certificate; Army Book, 1939-1941; and photographs and correspondence, 1944-1950, relating to his grave in Hamburg, Germany.
Documents relating to his military rank and distinguished service, 1915-1919, his Army Book, 1914-1919, a photograph of Rheims, 1918, a postcard to his wife, July 1916, and greeting cards from members of Princes Road Church, [Liverpool], 1915-1916. Wyn Griffith's autobiography based on his war experiences is Up to Mametz (London, 1931).
Papers, 1922-1940, reflecting Wyn Griffith's interest in early Welsh and English music, comprising research material, articles and press cuttings, mainly relating to Arnold Dolmetsch and the manuscript of Robert ap Huw (BM Add MS 14095).
A few hymns, carols and songs, being mainly arrangements by John Griffith, including a bound volume containing arrangements, [?1891], of two carols dedicated to May Hughes, entitled 'Carol Fair' (arrangement and words by John Griffith) and 'Wel dyma foreu'. A copy of Cân Miriam: i soprano solo a chydgan. Cyfansoddwyd gan Franz Schubert. Y geiriau gan J. Griffith. Trowyd i nodiant solffa gan W. G McNaught (London, [c. 1903]), is also included.
Miscellaneous poems, some of which were published in The Barren Tree and Other Poems, 1947, including a copy of the poem 'Silver Jubilee', 1940, and a related letter from Herbert Read; two drafts of the poem 'All Saints', 1942, with a Welsh translation by Wil Ifan; and the manuscript of a poem entitled 'Autumn Song', 1936.
Notebooks and papers, 1927-1951, containing sparse notes and jottings reflecting Wyn Griffith's interest in the music, literature and history of Wales. A few drafts of poems are also included.
Papers, 1927-1955, relating to Wyn Griffith's career as a Civil Servant, his role as chairman of the Welsh Committee of the Arts Council, a draft of E. R. Eddison's Mezentian gate, and various notes and press cuttings reflecting his wide range of interests.
Miscellaneous papers, including his school report, 1905; a copy of his wife's birth certificate; a newspaper announcement on the birth of his son John, 1919; obituaries on the death of his father, John Griffith, 1933; and biographical notes on Wyn Griffith. A manuscript music book, 1903-1905, containing a few tunes composed by Wyn Griffith as a child, is also included.
Drafts of the libretto, 1949-1950, and a photocopy of the vocal score of 'Menna', an unpublished opera in three acts, (libretto by Wyn Griffith, music by Arwel Hughes); together with a copy of the Welsh translation by T. H. Parry-Williams for the National Eisteddfod at Ystradgynlais, 1954; a scenario of the opera and radio scripts, 1952-1953; and programmes of performances, 1953-1955, telegrams from well-wishers, and press cuttings.
A typescript copy of the Welsh folk song, 'Lliw Gwyn Rhosyn yr Haf', together with Wyn Griffith's translation and a related letter from the BBC, July 1943.
