Rules made by the Right Honourable Baron Esher: Approved by the Lords Commissioners of Her Majesty's Treasury, and further approved by ... Baron Halsbury, Lord High Chancellor of Great Britain, and by certain of Her Majesty's principal secretaries of state and other heads of departments of the government to be laid before both Houses of Parliament, pursuant to the Public Record Office Act, 1877, (40 & 41 Vict. c. 55), for the disposal of certain documents