Some useful links to resources I’ve found helpful:
Beaulieu National Motor Museum http://www.beaulieu.co.uk
Goodwood: http://www.goodwood.co.uk/
National Motorcycle Museum www.nationalmotorcyclemuseum.co.uk/
Sammy Miller Motorcycle Museum http://www.sammymiller.co.uk
Imperial War Museum http://www.iwm.org.uk/
Derek at Lewis Leathers kindly helped me early in my research and when I finished my Masters I promised myself one a Lewis jacket. I’m now the proud owner of a customised Super Phantom in brown leather with a few special tweaks to make it unique and perfect for me http://www.lewisleathers.com/
My wife is a writer and commentator on gender, maculinity and pornography http://www.annaarrowsmith.com