A collection, made by Ebenezer Williams ('Gwernyfed', Merthyr Tydfil, died 1913), of penillion, 'tribannau', and ballads, mainly of Glamorgan and Brecknockshire interest, with three letters from 'Gwernyfed' to Edmund J. Jones.

A nineteenth century manuscript containing cywyddau and other poems by Robin Ddu, Iolo Goch, Hywel ap Dafydd ab Ieuan ap Rhys and others, together with the twenty-four measures of cerdd telyn and cerdd crwth.

A transcript made [c. 1783]-1795 by William Edward, Llanedwen, Anglesey and his son William Williams of carols and other poems by them and by Huw Williams and Hugh Jones, Llangwm.

A transcript made [c. 1761]-1792 by William Edward of carols and other poems by himself and also by Owen Gruffydd, John Thomas (o Fodedern), Daniel Jones and several others, together with a letter from Hugh Parry, Plasnewydd to William Edwards, 'Fieldkeeper at Penhwnllus'.

A volume which belonged in 1791 to Evan Thomas, who is said to have been superintendent of the Penrhyn Quarry, Caernarvonshire, and afterwards to Michal Prichard and others. It contains 'Carol plygain', 'Cerdd Newydd o Gwynfan y Bardd au Berwig wedi Colli ei Wallt mewn Clefyd ...' by David Jones, Llanfair Dyffryn Clwyd, 'Carol yw ganu ar agoriad y Melinydd ...' by Gryffydd Williams, etc.

'Cofiant, ynghyd a gweithiau barddonol, y deweddar Mr. [James] Watkin Davies (Watcyn Rhys y Gwaudd), Ystradfellte', written by 'Eryr' for the Pontneddfechan eisteddfod, 1910, with transcripts of additional poems and some letters relating to the poet.

Transcripts of poetry in free and strict metres by Robert Davies ('Bardd Nantglyn'), Thomas Edwards ('Twm o'r Nant'), Griffith Isaac, Rhys Goch Eryri, Goronwy Owen, John Roberts ('Sion Lleyn'), Evan Evans ('Ieuan Brydydd Hir'), and others.

A volume containing transcripts by Evan Evans (Ieuan Fardd) of early Welsh poetry.

Two awdlau by the Reverend Jonathan Machreth Rees ('Machreth', 1855-1911), London, entered for the chair competition at the National Eisteddfod of Wales, Caernarfon, 1894, and Colwyn Bay, 1910.

Notebook of Daniel Evans containing arithmetical problems and exercises; farming and other accounts and memoranda, 1810-1833, including details of the Militia Society established at Pencarreg, 1810 (ff. 71, 72 recto-verso) and a survey of farms in the parish of Pencarreg, 1816 (ff. 73 verso-4 verso); recipes; and Welsh poetry and accounts in the hand of Evan Evans.

Miscellanea, including memoranda, accounts, copies of letters, poems and hymns, sermon notes, etc.

'Aletheia, neu Arwyrain Gwirionedd', an awdl written by Walter Davies for the Gwyneddigion eisteddfod held at Llanrwst, 1791.

Llyfr nodiadau yn cynnwys hanes John Owen (1616-1683), y diwinydd Piwritanaidd, copi o'r 'Llythyr at Benllywydd y Cymmrodorion', wedi ei gyfieithu o Saesneg Dr Swift gan Lewis Morris, a barddoniaeth Gymraeg gan Lewis Morris a Goronwy Owen.

Deunydd perthynol i'r cyhoeddiad Gramadegau'r Penceirddiaid a olygwyd gan G. J. Williams ac E. J. Jones (Caerdydd, 1934), gan gynnwys nifer o adysgrifau a chyfeiriadau at ramadegau mewn llawysgrifau, ynghyd â phapurau'n ymwneud â gramadegau Gutun Owain, Gwilym Tew, Einion Offeiriad a Dafydd Ddu Athro o Hiraddug. Mae rhai o'r papurau yn llaw E. J. Jones.

Llyfr nodiadau yn cynnwys traethawd ar gerddoriaeth a gweithiau diwinyddol, a cherddi rhydd. Roedd y gyfrol yn eiddo i Matthew Thomas yn 1837.

Llyfr nodiadau yn cynnwys carolau, cerddi rhydd a 'Gramadeg Cerddoriaeth'; ynghyd â thraethawd diwinyddol. Roedd y gyfrol yn eiddo i Joseph Thomas yn 1845.