Records, 1837-1955, of former local government bodies of Machynlleth, Montgomeryshire, and neighbouring parts of Merionethshire, comprising minute books, letter books, ledgers, account books, reports, valuations, registers and rate books of the Machynlleth Poor Law Union, 1837-1930, minute books, letter books, ledgers, account books, reports, valuations, registers and rate books of the Machynlleth Rural District Council, 1892-1957, a letter book and rate account books of the Mallwyd Urban District Council, 1922-1930, and minute books, account books, registers and other records of the Machynlleth and Estimaner (Ystumanner) Petty Sessions, 1853-1953, together with miscellaneous administrative, financial and personal papers, 1837-1931, from the offices of Henry Evans relating to clients, local government, local businesses, and other solicitors who practised in and around Machynlleth.