A notebook containing minutes, 1864-1866, of a committee, appointed by Bethesda Congregational church, Bethesda, Caernarvonshire, under the leadership of Rowland Williams (Hwfa Môn), for the establishment of a chapel at Treflys, Dyffryn Ogwen, Caernarvonshire; together with minutes, 1886, of a meeting of the deacons of the neighbouring Salem Congregational chapel.