Papers, 1974-1984, of the Council for the Principality, including: consultation documents and other papers on legislation and government policy, including environment, food, transport, housing and public health, 1976-1983; minutes and correspondence of the Council, 1974-1984, including correspondence with other bodies; and Welsh Consultative Council on Local Government Finance minutes and correspondence, 1978-1982.

Minutes and papers of the Council, its predecessor body the Committee of Welsh District Councils, and their sub-committees, 1983-1996; papers and correspondence relating to the Association of District Councils' Welsh office, Head Office and various branches within Wales, 1978-1996; correspondence files of staff members, 1983-1995; copies of Government Green Papers, 1986-1989; and files relating to the various organizations and societies with which the Council had dealings, 1982-1996; subject files relating to such matters as waste disposal and the European Community, 1974-1997; housing and home improvement grants, 1983-1996; leisure facilities, tourism, theatres, National Parks etc., 1983-1996; policy, finance and planning, including the rates, the Revenue Support Grant and the Welsh Language Board, 1982-1996.