A composite volume in three sections containing 'cywyddau', 'englynion' and 'awdlau' by Dr Sion Cent, Syr Dafydd Trefor, Llewelyn Goch ab Meirig hen, Einion ap Gwalchmai, Iolo Goch, Gutto'r Glynn, Syr Rhys Drewen, Tudur Penllyn, Howel Reinallt, Syppyn Gefeiliog, Bedo Brwynllys, Howel Cilan, Morys ab Ifan ab Einion, Ieuan Brydydd hir, Tudur Aled, Ralph ap Connoay, Gruffydd Grug, Robin Ddu, Meredydd ap Rhys, Efan Fychan ab Morganwg, William (Gwilym) Cynwal, Owain Gwynedd, Sion Tudur, William Lleyn, Rhys Cain, Sion Phylip, Edmund Prys ('Arch-diacon'), Gruffydd Phylip, Edward ap Ralph, Rhichard Phylip, Lewis Glyn Cothi, Gruffydd Hiriaethog [sic], Morys ap Howel ap Tudur, Rhys Ednyfed, Ieuan Dyfi, Gruffydd Leia, Ieuan Deulwyn, Sion Brwynog, Gruffydd Ifan ab Llewelyn Fychan, Dr Sion Dafydd Rhys, Roger Cyffin, Thomas Prys (Plas Iolyn), Wmffre Dafydd ab Ifan, William Phylip, Dafydd ap Rhys, Dafydd Dafis ('gwas Owen Wynn o'r Glyn'), Ellis Rolant ('o Harlech'), Thomas Llwyd ('o Benmen'), Mr Hugh Lewis, D. D. Gwynn, Huw Llwyd Cynfal, Edward Morys, [John Davies] 'Sion Dafydd Las ('Sion Penllyn'), Owen Gruffydd, (John Roderick] S[iôn] Rhydderch, William Elias, Huw ap Huw, [John Roberts] 'Sion Lleyn', [David Thomas] 'Dafydd Ddu Eryri', Gruffudd Williams ('Gutyn Peris'), Gronw Owen, Simwnt Fychan, Huwcyn Sion, 'Nid Prydydd ... ond Gutto rhiw Fwngler', Ieuan Grffudd, Deio ap Ieuan Ddu, Rhys Llwyd ab R[hys] ab R[hisiart], Hywel ab Dafydd ab Ieuan ab Rhys ('ne Hywel Dafi neu bardd Rhaglan'), Lewis Owain ('o Dyddyn y Garreg'), Mr. Rowland Price, Sion Mowddwy, Gruffuth Parry, and Robert Edward, and anonymous compositions; 'Ychydig o hanes cyff-Genedl y cymru'; notes on 'Coptic Alphabet', 'The Syriac Alphabet', 'The Hebrew Alphabet', 'Greek Alphabet', three grades of Druids, and church inscriptions from Llaneinion (Lleyn) [i.e. Llanengan], Caernarvonshire, and Llaniestin (Anglesey); 'The names of the several churches in Anglesey and the time in which they were built'; a holograph copy of a letter from J[ohn] Thomas ['Sion Wyn o Eifion'], Chwilog to [David Thomas, 'Dafydd Ddu Eryri'], 1808 (observations on [Yr] Eurgrawn [Cymraeg]); anonymous carols; etc. The respective sections are in the hands of Robert Williams ('Robin Llys Padrig'), Abererch, Evan Prichard ('Ieuan Lleyn'), and John Thomas ('Siôn Wyn o Eifion'). Annotation by D. S[ilvan] E[vans]. Bound in at the end is a typescript alphabetical list of first lines of poems.

A composite volume consisting mainly of a commonplace book of Rice Pierce (ob. 1766), rector of Llangelynnin, Merionethshire. The contents include poetry in Welsh, English, and Latin by Rice Pierce; ecclesiastical precedents; lists of bishops of Bangor, St Asaph, Llandaff and St Davids, deans of Bangor and archbishops of Canterbury; verses by Tho[mas] Owen of Aberffraw; 'Descriptio Salsae Paludis, Wallice Pwllheli'; entries of birth and/or baptism of children of Hugh Thomas of Hendre [parish of Llangelynnin], 1685-7; lists of beneficed clergy in individual parishes in Anglesey; the 'valor' of benefices in the dioceses of Bangor and St Asaph; notes on Oxford Colleges built on the site of old Halls; a list of bishops educated at Jesus College, Oxford; notes on the founders and patrons of individual churches in Anglesey, extracted from Henry Rowland: Mona Antiqua Restaurata (Dublin, 1723); 'englynion' by Edwd. Lloyd [recte Lhuyd], Ashmolean Museum, with a Latin rendering by Tho[mas] Richards, rector of Llanfyllin; 'Cambriac Suspiria In Obitum desideratissimae Reginae Carolinae, dedicata Ad Isaacum Madoxs ... Episcopum Asaphensem' by Tho[mas] Richards, rector of Llanfyllin; etc. The section of the manuscript not in the hand of Rice Pierce contains notes on logic ('Physica non est scientia : Ergo fa[lleris]', etc.), extracts from Daemonology of James I, etc.

An interleaved copy of Henry Rowlands, Mona Antiqua Restaurata ... (Dublin, 1723, ESTC T139797), with manuscript notes by two former owners, Lewis Morris, [1740s], and Sir J. T. Stanley (later 1st Baron Stanley of Alderley), [1840s].
The notes are to be found on additional leaves inserted at the beginning of the volume (ff. i-ii, pp. 1-84 passim), at the end (pp. 85, 166-168) and on the interleaves, with annotations on some of the original printed leaves by Lewis Morris. The volume also includes a number of pen and wash drawings by Lewis Morris of churches, houses and other objects, including churches at Rhospeirio, Llanrhuddlad (pencil draft), Amlwch, Holyhead, Llanddona, Penrhôs Lligwy, Llanelian (pencil draft), Llanerchmedd, Bodedern, Llanfechell, Llanynghenedl, Llanfflewyn, Llanvair yn Neubwll, Llanddausant, Aberffraw and Bodewryd, the village of Llanfechell, and the seats of Brynddu, Caerau, Bodowen, Bodorgan and Penrhos; these are mostly to be found on the additional leaves at the end of the volume (pp. 85-143 passim).