Sonata for oboe and harp : : [op. 157], Ychwanegu i'r clipfwrdd A3/54. Ffeil [1995]. Rhan oThe Alun Hoddinott Archive, Ink score.
Tempi : : sonata for harp, [op. 164], Ychwanegu i'r clipfwrdd A3/58. Ffeil 1997. Rhan oThe Alun Hoddinott Archive, Ink score; and an enlarged photocopy of same.