Ingenuity No. 1233: Baden Baden-Powell (页面存档备份,存于互联网档案馆) Pictures of the High Flying Competition of the RoyalAeronauticalSociety in 1903 (页面存档备份,存于互联网档案馆)
Colonel Templer and the birth of aviation at Farnborough, May 2007, RoyalAeronauticalSociety, p 3 Airscene: Aircraft and Industry: United Kingdom. Air International