Gohebiaeth a phapurau, 1963, gan gynnwys llythyrau oddi wrth Eileen Beasley (2/26), John G. Breese (2/141), Hafina Clwyd (2/148), Sion Daniel (2/60, 92), Alun Talfan Davies (2/6), Cassie Davies (2/31), Cennard Davies (2/20), Huw T. Edwards (2/40, 166, 173), T. Charles Edwards (2/137), D. Tecwyn Evans (2/134), Gwynfor Evans (2/165), R. E. Griffith (Cyfarwyddwr Urdd Gobaith Cymru) (2/105), Peter Hughes Griffiths (2/116), Robat Gruffudd (2/23-5, 77), R. L. Hugh (Undeb Siarad Cymraeg) (2/65, 82), Harri Pritchard Jones (2/59, 67-8, 74, 107, 109, 119, 122, 133, 167, 172), Ieuan Wyn Jones (Undeb Siarad Cymraeg) (2/83, 102, 115), Gareth Miles (2/57, 61), E. G. Millward (2/32, 170), Hywel Moseley (2/151), Dafydd Orwig (2/27-8, 114, 120, 123), Owen Owen (2/86), Elwyn Roberts (2/131), Kate Roberts (2/110), Rhiannon Silyn Roberts (2/136, 145, 154), Y Tad John Fitzgerald (2/121) a Syr John Cecil Williams (2/106).