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.