- www.familysearch.org (Free).
- www.freebmb.org.uk: (Free) birth/deaths/marriage records 1837-1930.
- findmypast (Subscription site) Birth, marriage, death & parish records; census, land & survey records; education & work; special collections; travel & migration; institution & organisation records; military, armed forces & conflict records; newspapers, directories & social history.
- Ancestry: (Subscription site) Birth, marriage, death & parish records; census & electoral rolls; immigration & travel; military; schools, directories & church histories; tax, criminal, land & wills; reference, dictionaries & almanacs; family trees; stories & publications; photos & maps; special collections.
- National Archives
- The National Archives of Scotland
- Archives of Wales
- National Archives of Ireland
- London Metropolitan Archives (LMA)
- General Register Office
- The Genealogist – further records: (Subscription site).
- Divorce Records
- Record Offices
- www.archiveshub.ac.uk: Archives held at 250 institutions in the UK.
- http://hds.essex.ac.uk: History Data Service.
- Manorial Records
- Details for record repositories in the UK: & also elsewhere in the world which have collections of manuscripts noted under the indexes to the National Register of Archives.
- Local Family History Centres: (Microfilms and fiche from www.familysearch.org can be sent to your local centre).
- England’s Immigrants 1330-1550: A searchable database containing over 64,000 names of people known to have migrated to England during the period of the Hundred Years’ War and the Black Death, the Wars of the Roses and the Reformation.
- Digital Ebooks
- English Heritage Archive
- www.thegazette.co.uk: Official public record.
- Society of Genealogists online data: (Membership required).
- www.visionofbritain.org.uk: Historical descriptions.
- www.british-history.ac.uk: Digital library containing some of the core printed primary and secondary sources for the medieval and modern history of the British Isles.
- The British Library
- Museum of English Rural Life and the Special Collections Service at the University of Reading
- BBC Family History Guide to genealogy with suggested avenues of research
- Guild of one name studies: Hard to find records.
- www.rootsweb.ancestry.com
- www.genealogyintime.com: Genealogy Search Engine.
- www.genuki.org.uk: Reference library of genealogical information.
- http://spartacus-educational.com: Parliamentary Legislation of interest to family historians.
- Transcripts of Various Acts of Parliament of Interest to the Genealogist
- A Date Guide to English Genealogy
- Details of deeds that have been offered for sale on eBay and in auction catalogues
- Archaic Medical Terms
- Measuring the value of money in a given year
- National Archives currency converter