^The Classic Motor-Cycle July 1999 page 8 Mertons Motor-Cycle Media Group plc
^Daily Express page 7 Wednesday 15 June 1938 " German T T ace crashes on course Karl Gall."
^Isle of Man Times page 13 History's Most Dramatic Senior T.T. Saturday 18 June 1938 "Karl Gall, the German ace, was to have ridden the third B.M.W., but unfortunately he crashed on Wednesday morning, early, whilst doing a little unofficial practising."
النمسا 
