North London Railway Historical Society - Catering to everybody interested in the story of the North London railway and the many associated lines, from 1846 to the present day.
Swiss Railways Society - UK based society for Swiss railway enthusiasts. Branch meetings, events diary, prospectus, and membership information.
Telford Railway Society - Society for rail enthusiasts meeting fortnightly in Oakengates, Telford, Shropshire, UK.
The Wightwick Hall Restoration Group Website - This site is maintained by the Wightwick Hall 6989 Restoration Group. It provided details of the engine's history, rescue from the scrapyard and the restoration activity to date.