http://www.theengineersemporium.co.uk/

http://www.mobiletuning.carnuts.co.uk/

http://www.stationroadsteam.co.uk/

http://www.oldengine.org/whatisoe.htm

http://www.kelsey.co.uk/magazines/stateng/index.html

http://inventors.about.com/library/inventors/blenginehistory.htm

http://www.britcars.com/

http://www.motorworksengines.com/