Part of Mansel Thomas Music Manuscripts,
Manuscript score with copy (not in composer's hand) of 'Psalm 135' (Praise ye the Lord) for contralto (or mezzo soprano), male chorus and orchestra, composed Llandough, April 1959; together with a vocal score and orchestral parts. First performed, Llandaff Festival, June 1959. Version for male voices and organ published Magor: Mansel Thomas Trust, Ref: MT023 [1998?].
Anthem of challenge and comfort,
Part of Mansel Thomas Music Manuscripts,
Manuscript orchestral score (without words) of the 'Anthem of challenge and comfort' ('And I saw a new heaven'), for solo mezzo-soprano and male voices. Includes four sketches of orchestral score, and two vocal scores Published Magor: Mansel Thomas Trust, Ref: MT024 [1998?].
Part of Mansel Thomas Music Manuscripts,
Bound manuscript vocal score of 'Te Deum laudamus' for male voices, composed at Treadam, Spring 1978. Published: Mansel Thomas Trust, Ref: MT026.
Salm 149 (Molwch yr Arglwydd),
Part of Mansel Thomas Music Manuscripts,
Manuscript score ('Final copy'), of Salm 149 ('Molwch yr Arglwydd'), for male voices and piano/organ, composed at Penmark, January 1980.
Part of Mansel Thomas Music Manuscripts,
Sketches of the score of 'Ye servants of the Lord', for male voices and piano/organ.
Part of Mansel Thomas Music Manuscripts,
Sketches of 'Alleluia', for male voices and piano/organ.
Part of Mansel Thomas Music Manuscripts,
Manuscript score of 'Gloria in excelsis Deo', for male voices and organ/piano. Composed at Treadam, November 1977. Published: Gwynn.
Part of Mansel Thomas Music Manuscripts,
Manuscript scores of works composed or arranged by Mansel Thomas for instrumental solo and duos/duets.
Part of Mansel Thomas Music Manuscripts,
Manuscript scores of arrangements for solo instruments, both with and without accompaniment.
Part of Mansel Thomas Music Manuscripts,
Manuscript score for 'Six song preludes for piano'. Published: Mansel Thomas Trust, Ref: MT111.
Part of Mansel Thomas Music Manuscripts,
Manuscript sketches for two additional gamba pieces, not included in the published set of 6 [Ref: N1/9].
Part of Mansel Thomas Music Manuscripts,
Manuscript pieces for cello and piano divided between two full scores (6 on score 1 and 3 on score 2). There is an extra copy of score 2. Cello parts only for 2, set of three pieces.
Part of Mansel Thomas Music Manuscripts,
Manuscript score of 'Sonata movement', for cello and piano. Cello part is complete but piano is incomplete.
Part of Mansel Thomas Music Manuscripts,
Two incomplete full manuscript scores (one drafft) of 'Sonatina for cello and piano''. No separate cello part available.
Impromptu for violincello and pianoforte,
Part of Mansel Thomas Music Manuscripts,
Full score of 'Impromptu' for cello and piano. No separate cello part.
Part of Mansel Thomas Music Manuscripts,
Set of five scores for 'Minuet in D' for the oboe and piano. No. 1 (oboe part only); No. 2 oboe part only, with miscellaneous scripts on back - not in the composer's hand; No. 3 piano score; No. 4 piano score; No. 5 incomplete piano score.
Part of Mansel Thomas Music Manuscripts,
Copy (photocopy) of a piano score for 'Bourrée', in G for oboe and piano.
Part of Mansel Thomas Music Manuscripts,
Manuscript piano score of an arrangement of the Welsh traditional melody 'Y Fwyalchen' (the Blackbird) for oboe and piano.
Part of Mansel Thomas Music Manuscripts,
Manuscript piano score of a 'Minuet in G' for cello and piano. Published: Mansel Thomas Trust, Ref: MT118.
Part of Mansel Thomas Music Manuscripts,
Manuscript piano score of 'Dafydd y garreg wen', for cello and piano. Includes a photocopy of the cello part, not in the composer's hand, but with 'Megan's bowings and expression (1993). Published: Mansel Thomas Trust, under title 'Five Welsh Traditional Melody Arrangements for ‘Cello (or Violin or Viola)', Ref: MT114.