Holograph manuscript music for Welsh and English vocal works, [?1950s]-1964; songs, 1918-[?1963]; orchestral works, 1939-[c. 1943]; works for wind and strings, [1930s]-1962; works for strings, including quartets, [?1920s]-[?1946]; pianoforte quintets, quartets and trios, [1920s]-1944; works for violin and pianoforte, 1920-1949; and miscellaneous works, [c. 1920]-1958.

Papers of the composer Hilary Tann, comprising printed music scores. The music scores include those published in the U.S. by the Oxford University Press and more recently Rowanberry Music. Accumulated papers include copies of Dim Sum, 2001 - 2009, festival programmes, and other printed articles.