Identity Cards Scheme Cost Report / IPS, May 2008
PDF - http://www.ips.gov.uk/identity/downloads/IPS-Identity-Cards-Scheme-Cost-Report-May2008.pdf
Analysis of Home Office Costs Report of May 2007 / LSE Policy Engagement Network, May 2007
PDF - http://identityproject.lse.ac.uk/s37Response2.pdf