Codes; correspondence, 1909-1973; daybook, 1905-1907; drafts of preliminary negotiations, 1910-1936; histories; journals, 1917-1922; ledgers, 1900-1964; letterbooks, 1900-1903, 1912-1922; lists, 1966-1970; photographs, c1900-1910, 1965; shipping and share registers, 1934-1961; reports, 1957-1960; stock register sheets, 1897-1917; trade expenses, 1896-1922.