The records of WH Tindall and Company, tea and coffee growers and exporters, comprise records relating to the Imboolpittia and other estates including managers' and crop accounts, statements of expenditure and receipts, notes of coffee shipments and yields of tea and rubber, and papers relating to the administration of and materials for the estate 1841-1933; report and prospectus regarding land development 1917 and 1920; papers relating to the activities of various company managers and superintendents 1841-56; letters and papers regarding general trading, acquisition of estates and their cultivation 1842-88; papers regarding the Tindall family investments and trusts c 1872-1929; papers regarding the sale of land to W.H. Tindall 1843-55; papers regarding administration of W.H. Tindall's estate 1900-2; map showing coffee estates ca.1860 and notes on the history of the firm 1932-1966.

The records of Cotesworth and Powell Limited, import, export, and general merchants, comprise accounts relating to sugar plantations of Umhlanga Valley (Natal) Sugar and Coffee Company Limited 1866-87; notes in relation to credit arrangements, with other papers c 1870-90.

Records, 1909-1932, of Serdang Central Plantations Ltd, comprising Articles of Association, correspondence, annual reports and agreements relating to the voluntary liquidation and reconstruction.

Records of the Ouvah Coffee Company Limited, comprising a cash book and notes on the history of the company and of coffee planting in Ceylon.

Records of the Kertasarie Tea Company Limited, including board minute book, circulars to shareholders, correspondence, and photograph album of tea and coffee estates.

Records of Harrisons Ramsay Proprietary Limited, including articles of association; minutes of the board; annual reports; reports on visits to branches; correspondence; memoranda; general reports; financial accounts; summaries of shipments and sales; correspondence regarding arrangements for staff during the Second World War; and papers of various subsidiaries.

Access to records less than 30 years old (or records less than 70 years old which relate to staff) should be sought from Elementis plc (contact details may be obtained from a member of staff).

Papers of John Ferguson CMG, Assistant Editor, later Proprietor and Editor of the Ceylon Observer 1861-1913, and member of the Legislative Council for Ceylon 1903-1908; also some of his uncle Alastair Mackenzie Ferguson CMG, Assistant Editor, later Proprietor and Editor of the Ceylon Observer 1846-1893; including correspondence and papers relating to the Ceylon Observer, the Handbook and Directory of Ceylon, and the Tropical Agriculturalist, 1874-1911; correspondence, papers and press cutting relating to railways in Ceylon, 1867-1912; papers on coffee, tea, coconut and other planting trades in Ceylon, c1858-1895; correspondence and papers relating to the governors and governance of Ceylon, including correspondence with Sir (Joseph) West Ridgeway, 1898-1913 and Sir Henry McCallum, 1908-1913, correspondence, press cuttings and papers on the Ceylon Legislative Council and other political matters, 1895-1912; papers on the award of the CMG, 1899-1910; papers on religious matters relating to Ceylon, including letters on missionary work, the Salvation Army, and on Buddist temporalities; papers on John Ferguson's visits and lecture tours , 1878-1910; personal and family papers, 1895-1913; correspondence and papers of Alastair Mackenzie (AM) Ferguson, 1850-1893; correspondence and papers on the Royal Asiatic Society, 1859-1912.

Records of Djasinga Rubber and Produce Company Limited, including articles of association; board minute books; general meetings minute book; annual reports; circulars to shareholders; and photographs of tea, rubber and coffee operations on the estates.

Access to records less than 30 years old (or records less than 70 years old which relate to staff) should be sought from Elementis plc (contact details may be obtained from a member of staff).

Notes by John Dixon on medical matters and on things of personal interest to him such as astrology and photography spanning his entire career, 1848-1903. MS.5191 comprises more formal material, namely certificates and indentures.