Seventy letters and cards, 1928-1969, mainly in Welsh and mostly addressed to Meirion Jones (Meirion o Lŷn, d. 1970), Bala, Merioneth, relating mainly to his involvement in the work of Urdd Gobaith Cymru and other aspects of the cultural and religious life of the community. Among the correspondents are Ifan ab Owen Edwards (9) 1933-1964, Robert Lloyd (Llwyd o'r Bryn) (8) 1939-1960, R. Williams Parry (3) 1934-1950, Kate Roberts (4) 1935-1950, and T. H. Parry-Williams (7) 1933-1962. Also included are miscellaneous papers, 1864-c. 1965 (ff. 83-148).