Office for National Statistics
Home of official UK statistics. Britains economy, population and society at national and local level

Cyndislist
A genealogy database of links to thousands of useful websites worldwide

Genuki.org.uk
The main genealogy website for the UK and Ireland. Contains lots of links

Society of Genealogists
Family History Library and Education Centre

Commonwealth War Graves Commission
Containing the "Debt of Honour Register" database, listing the 17 million men and women of the Commonwealth forces who died during the two World Wars and the 23,000 cemetries, memorials and the other locations worldwide where they are commemorated.

Public Record Office
The National Archives record of the UK Government from Doomesday to the present

Familysearch.org
Access to the search files of the Latter Day Saints
the largest collection of free family history, family tree and genealogy records in the world

Cambridge Local record office
Collecting, preserving and actively promoting the use of original historical records of Cambridgeshire

Guild of One Name Studies
This society is for those people who have registered that they are researching all records of a specific surname

Cambridgeshire Family History Society
A local family history group which is a registered charity with 1800 members and is a member of the Federation of Family History Societies

Free BMD
Aims to provide on-line index of the General Records Office index records

1901 Census on-line Project 
The 1901 Census for England and Wales official site. Search over 32,000,000 people and view images of the original enumeration documents 

Cambridgeshire Collection
Based at Cambridge Central Library containing a comprehensive range of material