A book of Welsh anthems, anonymous except 'Diwedd y Cynhaeaf' by W. Reynolds (words by William Williams, 'Caledfryn') and 'Anthem Cydgordiad' and 'Anthem Coroniad' by J. Ebrill Davies, Llandegla; and three hymn-tunes by J. Harris, Rhigos.

A collection of anthems and hymn-tunes composed, arranged and harmonised by David Lewis, 1862-1882.

A collection of anthems and hymn-tunes including 'Duw sydd Noddfa' by Richard Mills ['Rhydderch Hael'].

A collection of anthems and hymn-tunes by 'Ioan Alaw', John Ambrose Lloyd, David Hughes ['Cristiolus Môn'], W. Griffith, Owen [Humphrey] Davies ('Eos Llechid'), Thomas Jones ('Ab Gwiliam'), David Williams, Cwmbowydd, William Davies, Cae'r blaidd, and 'Evan Davies a John Parry, America'.

Anthems and hymn-tunes by John Lewis and David Lewis and others, 1857-1858.

A collection of anthems, hymn-tunes and songs, including items by D. T. Williams ('Tydfylyn'), W. Owen, Prysgol and J. Roberts, Dolgellau.

A collection of anthems, part-songs and hymn-tunes, including works submitted by David Lewis for competition at various 'eisteddfodau'; a copy by T. B. Williams, Cefn-Gorwydd of an anthem by Evan Davies, Llandovery, 1854; holograph anthems by D[avid] Emlyn Evans ('Dysg im, O Dduw'; 'cyfansoddedig i Mr. Dd. Lewis, Llanrhystyd, 1869') and W[illiam] A[ubrey] Williams ('Gwilym Gwent': 'Pa Dduw sydd fel Tydi?'), and hymn-tunes by D. Wylor Owen and John Samuel, Carmarthen.

Notebook and loose leaves containing carols, hymns and other verse including a hymn headed 'Hymnau Iw Canu yn Cymdeithas Dyngarol Eglwys-Bach' attributed to Evan Evans [?Ieuan Glan Geirionydd] (f. ii verso); a marwnad to a young Vale of Conwy man, John Thomas (ff. 1-5 verso); eight verses of the carol plygain commencing 'Roedd yn wlad [sic] hono fugeiliaid yn gwilio' sometimes attributed to John Richards (Siôn Ebrill) (ff. 6-9 verso); the hymn 'Y gân Newydd' [commencing 'Mae'r gwaed a redodd ar y groes'] by 'Robt. Ap Gwilim ddu o Eifion' [Robert Williams] (f. 10 recto-verso); and a carol attributed to Morris Gryffydd, Llanllechid (ff. 11-13 verso).

A collection of hymn-tunes, chants, anthems and airs composed, arranged or harmonised by David Lewis, 1861-1890.

An exercise book containing transcripts of hymns composed by John Lewis.

A presentation copy of Emynau y Cyssegr, Dinbych, 1887, inscribed to David Lewis by Thomas Gee, 19 March 1887, with manuscript notes by David Lewis.

Emynau y Cyssegr ..., Dinbych, 1884, with additional hymns and notes by David Lewis.

A collection of 'englynion', 'cywyddau', carols, hymns and other poems by Lewis William, Liverpool, 1810-1816. The collection includes items by Evan James ('Ieuan ab Iago'), 1781, John Rees, Hugh Hughes ['Huw ap Huw' or 'Y Bardd Coch o Fôn'], Robert Lewis, 1782, 'Roberts, Ty du', D. Saunders and Lewis Edwards, Quaker, and a large number of hymns taken from printed and oral sources.

Llawlyfr Moliant: Casgliad o Emynau a Thonau at Wasanaeth Cynulleidfaol y Bedyddwyr, Llundain, 2nd ed., 1880, with manuscript notes, mainly on problems of authorship, by David Lewis.

Llawlyfr Moliant ..., Llundain, 1890, with manuscript notes by David Lewis, including a biographical notice of Robert Meigant Jones.

The tune book of John Roberts, Pwll Du, Llanbedr y Cennin, containing Welsh hymn-tunes and anthems of the 19th century.

A collection of Welsh hymn-tunes, composed c. 1850.

The tune book of John Kenrick, 1848, containing hymn-tunes and anthems.

The tune book of Hugh Jones, Borth, containing hymn-tunes, including 'Digonedd' by Evan James, which was awarded a prize at Aberystwyth, 18 April 1862, anthems and songs.

The tune book of John Jones, Caernarfon, containing hymn-tunes and psalm-tunes.