A manuscript of John Roberts ('Ieuan Gwyllt') used originally as a register of the pupils who enrolled in his school at Nanteos Arms [Capel Seion, near Aberystwyth] from its foundation on 12 June to 1 July 1839. The volume was subsequently used, [c. 1839-1840], to record hymn-tunes, hymns, metrical psalms, etc., by 'Ieuan Gwyllt', and notes of sermons by John Hughes, Pontrobert, [Thomas] Richards, Fishguard, David Howels, Thos. Evans, O. Williams, and H. Hughes, Llanrwst.