Records of Western Mail & Echo Ltd and related companies, 1869-1980, including advertisement and circulation revenue, 1869-1899; deeds of partnership of Owen and Carr, 1878; records of Daniel Owen & Co. Ltd, 1884-1895; Western Mail Ltd ledgers, registers, cash books and registers of member shares, 1896-1936; David Duncan & Sons Ltd, private ledgers, cash books and journals, 1906-1930, and liquidator's record book, 1929-1930; papers relating to the amalgamation of Western Mail Ltd with David Duncan & Sons, 1928-1931; miscellaneous papers and correspondence, 1893-1950; papers relating to the Weterns Mail Mumbles Lifeboat disaster fund and the Six Bells disaster fund, 1948-1964; and managing director's monthly reports, 1966-1978.