| opsi.gov.uk | The Office of Public Sector Information |
| ons.gov.uk | The Office for National Statistics |
| coi.gov.uk | Central Office of Information |
| hmso.gov.uk | Her Majesty's Stationery Office |
| number-10.gov.uk | Number 10 Downing Street - Page Not Found |
| homeoffice.gov.uk | Home Office |
| hm-treasury.gov.uk | United Kingdom - HM Treasury |
| direct.gov.uk | Directgov |
| bopcris.ac.uk | British Official Publications Collaborative Reader Information Service (BOPCRIS) |
| nationalarchives.gov.uk | Advisory Council on Public Records |
| smokescreen.org | www.smokescreen.org/ |