The archive comprises music manuscripts divided into juvenalia and early works, [1917x1934], orchestral works, 1933-1992, concertos, 1943-1986, instrumental and chamber music, [1930x1993], piano music, 1930-1955, organ music, 1973-1978, choral music, 1950-1979, solo voice with accompaniment, 1934, oratorio and cantatas, 1958-1987, sacred music, 1949-1974, opera, 1961-1968, incidental music, [1930x1960], miscellaneous papers, 1934-1936, and sketches. There are also letters to Daniel Jones, 1918-1993, copies of letters written by Daniel Jones, 1931-1991, material relating to compositions, 1946-1993, lectures, articles and scripts, [c. 1951]-[1990], adjudications, reports and reviews, [1953x1993], thesis, notes and bibliographies, [1925x1993], papers of Egyptian, Mexican and Oriental interest, correspondence and papers, [1925x1993], relating to Daniel Jones's visit to Czechoslovakia in 1955, his visit to the Soviet Union in 1960, papers concerning various guilds and committees, 1949-1992, papers concerning the Swansea Amateur Symphony Orchestra, [c. 1931]-[c. 1932], papers relating to questions of contracts and copyright, 1948-1960, personalia, divided into honours and certificates, 1929-1993, competitions and higher degrees, 1935-1954, curricula vitae and testimonials, 1939-1954, photograph album and scrapbooks, 1937-1960, miscellaneous papers, 1925-1957. There are also printed materials, [1914x1993], and press cuttings, 1945-1993, relating to Daniel Jones's life and to performances of his work. There is also a group of the papers of Jenkin Jones, comprising music manuscripts, 1917-1934, correspondence, 1903-1935, an essay, 1935, copyright material, 1916-1917, printed material, 1903-1918, and press cuttings, 1905-1918.

A further small group of papers comprising letters, articles, reviews and programmes were received October 2014. This group was introduced as the final Sub-fonds, entitled 2014 Donation, in January 2016. Also, spool tapes of music and a collection of cassettes were received and transferred to NSSAW.

Two manuscripts: Under Milk Wood score and Fourteen Leider peices were received January 2015. See description for Series A and Series M for further information.

Further correspondence, diaries and notes received in 2018.