Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL National Board for Prices and Incomes,"Agreements relating to terms and conditions of employment of staff employed by the Prudential Assurance Company Ltd and the Pearl Assurance Company Ltd. : presented to Parliament by the First Secretary of State and Secretary of State for Employment and Productivity, the President of the Board of Trade, the Secretary of State for Scotland, and the Minister of Housing and Local Government by Command of Her Majesty, June 1968",,H.M.S.O,1968,Report,,0101367406,,https://cir.nii.ac.jp/crid/1130000796140851712