Records of the Imperial Institute from its foundation in 1886 until the passing of the Commonwealth Institute Act 1958. These records relate to the periods of administration by the Board of Trade between 1903 and 1907, and by the Department of Overseas Trade between 1925 and 1949
These include volumes of minutes and reports and files for the period 1886-1958, together with a quantity of miscellaneous material, mainly printed, on the history and work of the Institute.