Vintage Motorcycle Club                         www.vmcc.net                     Excellent motorcycling library

BSA Gold Star Owners Club                  www.bsagoldstarownersclub.com    Active club with a wealth of knowledge

BSA Owners Club UK                              www.bsaownersclub.co.uk 

The Brooklands Museum                    www.brooklandsmuseum.com                  Home of the 1937 Wal Handley Empire Star replica 

The National Motorcycle Museum  www.nationalmotorcyclemuseum.co.uk 

WDM20 Site                                            www.wdbsa.nl     All you ever need to know about the BSA WD M20 and M series bikes.  The site has an excellent TECHNICAL SECTION

https://speedtracktales.com               Excellent website dedicated to the history of the ISDT. The International Six Day Trial