1. 1Sir William Beveridge. Social Insurance and Allied Services Report. CMND6404 HMSO PP7.
2. 2MP Howell "Why work? A challenge to the Chancellor ". Conservative Political Centre, 1976 .
3. 3Colin Clark , Poverty before Politics. Hobart Paper No 73 IEA PP 18.
4. 4"Business Brief: Tax and Poverty" Economist, 24 July, 1976 PP 60.