Nationwide Resources

• Ancestors On Board - Outbound UK Passenger Lists 1890-1960. From Findmypast.com in association with the National Archives (Subscription Service)
• Biographical Database of British Chemical Community, 1880-1970 - From the Open University - Authors: Robin Mackie & Gerrylynn Roberts
• The British Library Online Gallery - featuring  Turning the Pages(tm) - from the British  Library
• Burke's Peerage & Gentry - Subscription
• Commonwealth War Graves Commission (CWGC) - Has WWI & WWII casualty & cemetery Database. From the Commonwealth War Graves Commission.
• Cornucopia - Information on museum & library collections in the UK. From the Museums Libraries Archives Council
• Family History at the Imperial War Museum - World War I information - From the Imperial War Museum 
• FamilyRecord.gov.uk - An Official Source for Family Records in the UK.
• FindMyPast.com - (Subscription Service)
• Guild of One-Name Studies - One-name study society based in London. Has free name check on main page.
• National Archives of the United Kingdom - Databases, exhibits and more.  From the National Archives of the United Kingdom.
• PortCities UK - Maritime History Explored.  Formed through  various websites & supported by the New Opportunities Fund.
• Rossbret Institutions Website (Information on Workhouses, etc.) - From the Institutions.org

Associations/Organizations & Official Websites

• College of Arms - Official Website
• Federation of Family History Societies - Official Website
• Society of Genealogists - Official Website

Cambridge University

• Cambridge University Heraldic & Genealogical Society - Official Website

Devon

• Devon County Local Studies - From Exeter Central Library

Eastleigh Borough

• Eastleigh Borough Cemeteries Database Search - 1900 to previous year (12 month embargo on current information) From the Eastleigh Borough Council, Civic Offices

England & Wales

• Historical Directories a searchable digital library 1750 to 1919 - From the University of Leicester

UK & Ireland

• The Origins Network - Genealogy Research online specializing in British & Irish Genealogy (Some Free/Subscription)

More Resources

• Jewish