The Newport estate management records comprise surveys, reports and related papers, 1842-1958 (ANS), letting records, 1801-1954 (ANL); rentals, accounts and other financial records, 1807-1954 (ANA); correspondence, 1848-1944 (ANC); buying and selling property, 1845-1929 (ANB), and miscellaneous papers, 1807-1908 (ANV).