Brief reports on the Sunday schools [of the Calvinistic Methodist Connexion] at Derwenlas and Penegoes (1881), Abercowarch, Blaen Cowarch, Derwenlas, Dinas Mowddwy, Forge, and Penegoes (1887), and Machynlleth ( undated); similar reports on the English Presbyterian Sunday school at Machynlleth (1881, 1887); and statistical returns (undated) relating to the membership of the [Calvinistic Methodist] churches at Aberangell, Cemmes, Derwenlas, Forge, Llanwrin (Seion), Mallwyd, Pantperthog, and Penegoes, and their Sunday schools; all the said places being in co. Montgomery.