On Going Historical Motorbike Research: 1930s Off road riding

https://www.bonhams.com/auctions/18221/lot/460/

1930 Scottish Six Day Trial bike and the enigmatic Ms E Sturt

UK military participation:  http://www.armymotorsports.co.uk/Disciplines/Trials

https://ssdt.org/past-trials/past-winners             https://www.tmxnews.co.uk/ssdt-winners-scottish-six-days-trial/

previous S6DT winners

https://ssdt.org/past-trials/1931

https://endurogp.org/en/a-brief-history-of-enduro-motorcycle

1936:  New Triumph Tiger:  https://ehive.com/collections/6651/objects/675722/1937-triumph-tiger-90

https://speedtracktales.com/2013/12/08/the-great-escape-revisited-british-entrants-in-isdt-1939/

https://www.motorcyclespecs.co.za/model/triu/triumph_tiger_80_37.htm

http://www.trademotorcycles.com.au/1937-triumph-tiger-90-classic-restorations/

https://allaboutbeer.net/article/beer-goes-to-war/

Beer, and war!

"British breweries set up a “beer for troops” committee in July 1942. “It is a national duty that every brewer should do his utmost to supply beer for troops in their messes, many of which are a long distance from the nearest licensed premises”"