Some two hundred and sixty-seven letters, October 1857-November 1858, addressed to the Rev. John Williams (Ab Ithel), Llanymawddwy, Merioneth, mostly concerning the organisation of the Eisteddfod ('Eisteddfod Fawr Llangollen') held at Llangollen, Denbighshire, 20-24 September 1858.
Among the correspondents are the other main organisers T. R. Lloyd (Estyn) (ff. 22, 29, 45, 139-40, 252-3, 266-7, 293, 338-9, 349-50, 360-1, 388, 415, 447-9, 500-1), Joseph Hughes (Carn Ingli) (ff. 137, 272-3, 286, 298, 346, 378-9, 421) and R. W. Morgan (Môr Meirion) (ff. 172-4, 335, 364-5), as well as Edward Humphreys and William Hughes, joint secretaries of the local committee in Llangollen (ff. 61-2, 215-9, 260-1, 268, 287-8, 303-4, 336-7, 342-5, 380-3, 419-20, 433-4, 465, 479, 484). Other correspondents include Owen Humphrey Davies (Eos Llechid) (ff. 9-10, 60, 306-7, 319-20), D. Silvan Evans (ff. 12-3, 141, 208-9, 348, 362-3), Edward Roberts (Iorwerth Glan Aled) (ff. 14-15), Owen Wynne Jones (Glasynys) (ff. 18-9, 109-10, 149-50, 193-4, 401-3, 470-1, 494-5), John Jones (Ioan Emlyn) (ff. 74-5), Wm Ambrose (Emrys) (ff. 90-91), Hugh Hughes (Tegai) (ff. 96, 168, 515-6, 520-1), Evan James (I. ab Iago) (f. 102), R. Ellis (Cynddelw) (ff. 127-8, 198), Jane Williams, Ysgafell (ff. 129-30), Rowland Williams (Hwfa Môn) (ff. 131, 235-6), Morris Williams (Nicander) (ff. 142-3, 411-2), John Davies (Brychan) (ff. 229-30), John Ceiriog Hughes (f. 239), Lewis William Lewis (Llew Llwyfo) (ff. 262-5, 294-5, 317-8, 508-9), Angharad Llwyd (ff. 300, 475), James James (Iago Emlyn) (ff. 315-6), John Owen (Owain Alaw) (ff. 376-7, 397-8, 441-2, 460-1), Thomas Gee (ff. 476-8) and Robert John Pryse (Gweirydd ap Rhys) (ff. 503-7). The letters concern various aspects of the Eisteddfod arrangements, including fundraising, the tent, accommodation, competitions, adjudicators, prizes, music, advertising and publicity. Many letters, especially from Ab Ithel's friends, also concern a variety of other matters. A single letter, from Edward A. Freeman, Dursley, is dated 25 October 1850 (ff. 1-2).
