An essay entitled 'Bywgraffiad o fywyd y diweddar W[illiam] Williams, Esqr. , Goruchwyliwr Mwngloddiau y Van, Sir Drefaldwyn', written by 'Ap Idloes', and ? submitted for competition at an eisteddfod held at Y Fan, Llanidloes, 1888. Inset, at the end of the volume, is a holograph note, 12 June 1939, by [the Reverend] D. Llewelyn Jones [Wesleyan minister], Llanidloes, the donor of the manuscript, relating to William Williams's grave, with copies of the memorial inscriptions to Williams and members of his family on the gravestone.

Transcripts of baptisms, marriages, and burials from the parish registers of Llandloes, 1792-1818; a list of 'A few of the Subscribers' to Hugh Jones (Maesglasau): Cydymmaith i'r Hwsmon . . . (Llundain, 1774); extracts, 1667-1818, from the parish registers of Trefeglwys, [Llan]wnog, Carno, and [Llan]dinam, recording marriages of 'Llanidloes people'; abstracts of memorial inscriptions from Llanidloes Churchyard; and extracts, largely of Montgomeryshire interest, from Ifan ab Owen Edwards: A Catalogue of Star Chamber Proceedings relating to Wales (Cardiff, 1929).

Transcripts of miscellaneous entries of baptisms, marriages, and burials from the parish registers of Llanidloes, Trefeglwys, Llandinam, and Llangurig; extracts from memorial inscriptions in the churchyards of Llanidloes, 1846-1903, Llandinam, 1808-1913, Caerau [Wesleyan Methodist Church, parish of Llandinam], 1833-1903, Banhadlog [chapel of ease, Llandinam], 1752-1919, New Chapel [Baptist Church, parish of Llanidloes], 1738-1910, and Llangurig, 1764-1906; abstracts of deeds and documents, 1848-1921, relating to the title to Ty Cerrig [parish of Darowen]; and a journal of visits made by Richard Bennett, 1 March-7 June, 1923, to examine and transcribe Montgomeryshire parish records, etc.