This is one of many Harvard references to useful online references for the Level 5 Maths ADTLLS, Developing Role of Numeracy / History of Mathematics essay. (Part of Module 1: Approaches to Mathematics learning and teaching). The retrieval date is when I first used it.
Callaghan, J. (1976). Towards a national debate. The Guardian, 15 October 2001. Retrieved on 31 December 2008 from http://education.guardian.co.uk/thegreatdebate/story/0,,574645,00.html