Transcripts of hymn-tunes, notes and draft letters by John Roberts (Ieuan Gwyllt) and letters addressed to him by Morris Davies, Bangor, 1868, W. J. Hughes, St. Asaph, 1867, John Vaughan Jones, Swansea, 1872, William Lewis, Llanbedr, Merioneth, 1874, and Ellis Williams (Ylltyr Eryri), Bethesda, 1860.
Ieuan Gwyllt, 1822-1877
Letters, June 1868, from John Ceiriog Hughes to John Roberts concerning the publication of a national anthem on the 'March of the Men of Harlech', with English and Welsh words by John Ceiriog Hughes, entitled 'Guard our Gracious Queen', 'Arglwydd Cadw Hi'; a letter, 1874, from Ira David Sankey granting permission to John Roberts (Ieuan Gwyllt) to translate any of his hymns into Welsh; and a draft letter by John Roberts concerning a post on Yr Amserau.
Hughes, John Ceiriog, 1832-1887