Other useful addresses and internet sites
House of Commons Public Information Office
Telephone 020 7219 4272
The Public Information Office provides an excellent service and even when they do not have the answer themselves, will generally know who to refer to. A telephone queueing system is in operation.
GOV.UK provides a link to most government departments. For example, the Home Office, Department of Health, the Law Commission etc. These sites vary in scope and coverage with many now including the full text of major documents.
Press Releases can be useful, for the full text of press notices from most government departments (and related agencies), see wired-gov
Remember, the printed guide contains more information on all the materials [full text of the guide]. It also has a section on citing references to official publications. If you need further guidance please ask us.