Papers relating to tax on luxury imports, including: Unionist Central Office hints for speakers on the withdrawal of the McKenna duties; press-cuttings on results for the motor industry if the duties were withdrawn; Board of Trade import and export statistics for the motor trade and silk industry under the McKenna duties; memorandum on the effect of the reimposition of the duties; Board of Trade papers on the McKenna duties (relating to the motor industry, musical instruments, clocks and watches and films), silk duties and safeguarding duties (on lace, cutlery, gloves, gas lamps and wrapping paper); letters from the Federation of British Music Industries, representatives of motor manufacturers and other Birmingham industries, petitioning for the retention of the McKenna duties; annotated copies of Hansard covering debates on import duties (May 1924).