'Gwelais flodyn bach yn marw'. (Wil Ifan). [?SATB],
219/1. Evan Thomas copy. [D]. Endorsed with ? another work. 219/2. Gwilym Thomas copy. [D]. 219/3. MS music sheet containing two Gwilym Thomas copies. [D]. 219/4. ? Autograph copy. [E].
Gweled Iesu. 'Cawn ninnau weled Iesu Grist'. (Eifion Wyn),
286/1. Gwilym Thomas copy. [C]. 286/2. Draft. [C]. 286/3-5. Sol-fa copies. [C]. 286/6. Printed sol-fa copy. Incomplete. [C].
Gwilym Thomas copies of an unspecified hymn, Music only. [C],
Gwlad Ieuenctid. 'Lawer dydd maith yn ôl' (T. Gwynn Jones). Soprano,
150/1-2. Two autograph copies, [E]. 150/3-4. Two Gwilym Thomas copies. [D]. 150/5. Evan Thomas copy. [D]. 150/6. Another copy. [D].
Gwlad y Tylwyth Teg, 'Clywais sôn gan un a'm carat', ([T]. Gwyn[n] Jones). Mezzo Soprano, Winner at Swansea National Eisteddfod, 1926. 143/1. Rough draft, [D]. 143/2. Autograph copy. [B]. 143/3. Gwilym Thomas copy. [D]. 143/4. Words only. [D].
Gwladys. 'Wedi oesoedd maith o d'wyllwch',
268/1. Gwilym Thomas copy. [C]. 268/2-3. Autograph copies. [D]. 268/4-6. Autograph copies. Music only. Endorsed with rough drafts. [D]. 268/7. MS music folio containing music only of Gwladys. ?autograph, and ?a Gwilym Thomas copy of 'A loving wish, a heart felt prayer'. [D]. 268/8. Rough draft. [D].
Gwynfor (Ceisio Gorffwysfa). 'Er garwed ydyw'r stormydd'. (T. Thomas),
278/1-2. Gwilym Thomas copies. [C]. 278/3. Evan Thomas copy. [D]. 278/4. Autograph copy. [D]. 278/5-6. Rough drafts. Also containing drafts of other works. [D].
Gwynfor. 'O dragwyddol Graig yr Oesoedd'. (Dafydd William),
277/1-3. Autograph copies. [D]. 277/4-6. Gwilym Thomas copies. [C]. 277/7. Printed sol-fa copy. [C].
Had I but Wings. 'I would soar'. ?Gwilym Thomas copy. [D],
Hafren. 'O Iesu mawr, pwy ond tydi',
260/1-2. Autograph copies. [D]. 260/3. Gwilym Thomas copy. [C]. 260/4. Gwilym Thomas copy. Music only. [C].
Has been asked by D. Evans to submit a new tune for a hymn book [See No. 370], re a ...,
Has been asked by D. Evans to submit a new tune for a hymn book [See No. 370], re a threatening letter demanding information about a tune; Louisa Davies is to sing his songs; a request from Liverpool Eisteddfod for an orchestral composition. Partly Welsh. Endorsed: 'Ei lythyr olaf'.
He Fell Among Thieves. (Sir Henry Newbolt). Ballad,
75/1. For four voices with pf. accompaniment. Evan Thomas copy. [C]. 75/2. Another copy, scored for full orchestra. ? Evan Thomas copy. [C]. 75/3. Printed copy. Vocal parts only, SATB Sol-fa. [C]. 75/4. Part for trumpets in A only. Gwilym Thomas copy. [C]. 75/5. Part for trumpets in A only. Gwilym Thomas copy. [C]. 75/6. Organ part, bars 168-181. Gwilym Thomas copy. [C]. 75/7. MS music book containing drafts of other works and part of He Fell Among Thieves. Autograph. [E].
He was Despised. Autograph. [D],
Hen Ddyn Y Lleuad. 'A welsoch chwi hen ddyn y lleuad?' Two Gwilym Thomas copies. [C],
Henffych Gymru, (Parch. H. H. Williams). Soprano or Tenor,
149/1. Autograph copy. [D]. 149/2. Gwilym Thomas copy. [D]. 149/3. Words only, Typescript. [D].
Hope the Hornblower. 'Hark ye, hark to the winding horn'. Gwilym Thomas copy. [D],
Including hymns which do not appear in 'Eirin Afan 1 and 2' (249-314).