Emyniadur yr Eglwys yng Nghymru, o dan olygiaeth y Gwir Barchedig Daniel Lewis Lloyd, D.D., Esgob Bangor, Bangor, 1898, with manuscript notes by David Lewis.

A collection of two hundred and eleven numbered, but unattributed, hymns ('Casgliad o Hymnau ar amriw achosion'), with a few additions in a later hand. At the end are a list of subjects of the hymns ('Crynhoad O Destynau yr Hymnau') and a metrical table ('Eglurhad O hydau'r Tonau . . .').

A collection of holograph 'cerddi', 'carolau', 'emynau', 'penillion', and 'englynion', being an incomplete press copy of William Edwards ('Gwilym Padarn'): Eos Padarn (Llanrwst, 1829). The volume contains one poem not included in the printed work, namely 'Cerdd, Diolchgarwch i'r Cadpen Jones, a'r Dinas Llanwyndaf, am hen ddillad i Owen Williams, (Owen Llanddeiniolen) . . .'.

Miscellaneous papers including a holograph letter from W[illiam] Edwards ['Gwilym Padarn'], Llanberis, to [John Jones, 'Pyll Glan Conwy'], 1829 ('englynion' to Eos Padarn by John Rowland, Pentir, [Richard Parr]y, Llanllechid, and John Williams, Llanllechyd); holograph verses entitled 'Penillion ar ddyrchafael Crist' [by William Edwards, 'Gwilym Padarn']; 'Carol Plygain . . . 1807' by Griffith Williams ['Gutyn Peris'], Braich Talog; a hymn by John Parry, Llanelian; an 'englyn' by [Evan Evans] 'I. D. Conwy'; poetry by J. M. Jones ('Garmon') entitled 'Lines Addressed to Conway Castle', 1844, 'To Moel Siabod', 1856, 'St. David's Day', 1858, 'Sonnet On the marriage of R. R. Griffith Esq & Miss Read', 'A Postscript, not quite so orthodox as the Parson who gave cause for it', and 'Cigfrain Carreg Walch. Chwedl Addysgiadol, Seiliedig ar ffaith hanesyddol bendant, ac wedi ei chyfaddasu i'w dadganu yn Nghyfarfod blynyddol Boneddigesau Bettws y Coed, Calan 1866'; 'Y gogoniant yn ymadael o'r Deml', being an incomplete 'pryddest' submitted for competition at a St. David's Day eisteddfod at Bethesda, undated; verses entitled 'Yr Aelwyd'; and a few transcripts of 'penillion', 'Englynion o Fawl i Dduw', etc., in the hand of J. T. Evans.

A sermon, scriptural questions and answers, hymns, etc.

A notebook containing notes on ethics and philosophy and translations of hymns into Welsh by J. T. Lewis.

Translations by J. T. Lewis of English hymns into Welsh, with cuttings of the original hymns.

Hymns composed and translated by J. T. Lewis.

Hymns and prayers transcribed or translated by J. T. Lewis.

Draft translations of hymns and other material by J. T. Lewis.

Draft translations of hymns and miscellanea by J. T. Lewis.

Tune book, first compiled in the late eighteenth century, of the Reverend J. Lloyd, Tal-y-bont, containing psalm-tunes attributed to William Wilson (f. 52), John Williams ('Ioan Rhagfyr', 1740-1821), Dolgellau (ff. 4 verso-6) and others, together with hymn-tunes and anthems, copied between 1790 and 1820, with some accompanying words in English and Welsh. Amongst the tunes is the 'Song of the 3 Holy Children' (f. 46 verso-7). Additions to the original volume include ff. 83-91, written c. 1818-1819 (cf watermark, and f. 89) and ff. 92-7, written c. 1832 (watermark).

Tune book, first compiled by 1796, containing psalm-tunes, hymn-tunes and anthems, including items attributed to John Williams, Dolgellau (ff. 6 verso-7, 11 verso-12, 17 verso-18), William Wilson (ff. 1 verso-3, 4 verso-5, 7 verso-9 verso, 10 verso-11, 12 verso-13, 16 verso-17, 19 verso), David Harris, Carno (ff. 5 verso-6), Robert Griffith, Caernarfon (ff. 13 verso-14), and Lewis Morris (f. 21 (defective) and inside back cover); accompanying words in Welsh where given.

A miscellaneous collection of hymn-tunes, psalm-tunes and anthems, most attributed to Welsh composers, probably first compiled in the early nineteenth century but with manuscript and printed additions up to c. 1900 (watermarks 1817 (f. 34), 1825 (f. 59), 1829 (f. 73), 1835 (f. 27); ff. 41, 45 are printed), and including works attributed to John Williams, Dolgellau (ff. 8, 10 verso-12 verso, 40 verso) and Evan Davies, Llanymddyfri (ff. 25 verso-6). Accompanying words, where present, are in Welsh.

A tune book, first compiled in the late eighteenth century, but bearing dates between 1786 (f. 33 verso) and 1858 (f. 19) and containing hymn-tunes, psalm-tunes and anthems, with some accompanying words in Welsh and English.

Tune book containing psalm-tunes, hymn-tunes, and anthems, bearing the title 'Bangor Cathedral Chants. Bâss Cantoris 1811' inside front cover, with leaves of printed music added, ff. 1 verso, 2-3 (f. 3, watermark 1824). Accompanying words, where present, are mostly in Welsh.

Tune book, first compiled in the 1730s but with later additions, containing psalm-tunes and hymn-tunes, preceded by the texts of various hymns and psalms in Welsh and English.

Tune book, first quarter of the nineteenth century, containing psalm-tunes and hymn-tunes, with accompanying words in Welsh.

Tune book, first half of the nineteenth century, containing psalm-tunes and hymn-tunes, with accompanying words in Welsh, some taken from printed journals, dated 1827-1838.

Tune book, first half of the nineteenth century, containing anthems, psalm-tunes and hymn-tunes, with accompanying words in Welsh and English.