Ffeil P/4. - Business papers,

Papers, 1923-1980, relating to R. L. Gapper's involvement in public life, including: correspondence, 1956-1968, relating to items (mostly associated with Llanaelhaearn and the Trefor quarry) donated by him to the National Library of Wales and the Welsh Folk Museum at St Fagans; papers, 1948-1980, relating to the administration and activities of Ysgol Gymraeg Aberystwyth, of which he was a governor; contracts and bills, 1958-1967, relating to his appearances on television with the independent company TWW; correspondence, 1960-1970, relating to the sale of Llyfnwy Mill, Penygroes, Caernarfonshire, a disused premises of which he was joint owner with his brother; correspondence and notes, 1933, relating to his adjudication in an art competition held by the Caernarvonshire County Federation of Women's Institutes; and invitations, 1923-1977, to meetings, lectures, dinners and chapel services, held by a wide range of academic, cultural and social groups.