Cyfrol, [1830au, hwyr]-1916 (dyfrnod 1827), sy'n cynnwys adysgrif o'r rhestr degwm ar gyfer Llandderfel, sir Feirionnydd (ond yn hepgor manylion tirfeddianwyr a thenantiaid), [1830au, hwyr] (ff. 2-13), yn ogystal â nodiadau, [20 gan., cynnar], yn llaw Charles Jones, Llandderfel, ar hanes y plwyf (ff. 13 verso-28, 78 verso-79), a cherddi, 1913-1916 (ff. 1, 78, 79-80, 81 recto-verso a thu mewn i'r clawr ôl). = A volume, [late 1830s]-1916 (watermark 1827), containing a transcript of the tithe apportionment for Llandderfel, Merioneth (but omitting details of landowners and tenants), [late 1830s] (ff. 2-13), along with notes, [early 20 cent.], in the hand of Charles Jones, Llandderfel, on the history of the parish (ff. 13 verso-28, 78 verso-79), and poetry, 1913-1916 (ff. 1, 13 verso, 77 verso-78, 79-80, 81 recto-verso and inside back cover).
Cynhwysa'r nodiadau restr o ffermydd a bythynnod Llandderfel a Llanfor (ff. 13 verso, 14 verso-20), ac ysgrifau ar deulu'r Llwydiaid, Pale (ff. 21 verso-22), teulu John Davies, Vronhaulog [Fronheulog] (ff. 22 verso-23 verso, 27-28 verso), Dafydd Edwards, Tyisa (ff. 24-26), a theulu Charles Jones (f. 26 verso). Rhoddwyd ychydig o eitemau rhydd mewn amlen archifol (ff. i, 82-86). = The notes include list of farms and cottages in the parishes of Llandderfel and Llanfor (ff. 13 verso, 14 verso-20), memoirs on the Llwyd family of Palé (ff. 21 verso-22), the family of John Davies, Vronhaulog [Fronheulog] (ff. 22 verso-23 verso, 27-28 verso), Dafydd Edwards, Tyisa (ff. 24-26), and Charles Jones's family (f. 26 verso). A few loose items have been placed in an archival envelope (ff. i, 82-86).

A late seventeenth century notebook of William Roberts, Bodwenni, Llandderfel, co. Merioneth, containing transcripts of Latin texts (Greek and Roman biographies, 'Dictamen de bonis moribus', etc.), with English translations, written in 1681; notes of sermons by Mr. Jenkin Thomas (once at Llanvilling), Mr. H. Owens [of Bronyclydwr, Llanegryn], and Mr. Morg[an] Tho[mas] (once at Hendre), 1695-1696; miscellaneous memoranda (payment for wheat at Corwen fair, payment of Bodwenni tithe, the tenancies of tenements in Llandderfel, etc.), 1694/5-1696; 'Phrases ex Erasmo'; extracts from Ovid's Metamorphosis; a Greek-Latin vocabulary; etc.

A letter dated 1 December 1886 from William Morgan, rector of Llandderfel, Merioneth, to Thomas Jones, Bryn Melyn, Llandderfel, in reply to a deputation to the rector, appointed at a meeting of tenant farmers and others at Llandderfel, demanding 15% abatement from the half-year's tithe rent-charge due on 1 January 1887. There is also a copy of the letter in Welsh.