1. 
   Jack Donaldson
   Jack Donaldson was an Australian professional sprinter who held almost all professional records from 65 yards to 400 yards. He was born in 1886 and died in 1933.
   Found op http://www.probertencyclopaedia.com/browse/CXJ.HTM
   
   
2. 
   Jack Donaldson
   [athlete] John Donaldson, Jnr, (1886–1933), better known as Jack, was a professional sprinter in the early part of the 1900s. He held various world sprinting records ranging from 100 yards to 400 yards, some of which stood for many years. ==Early life== Jack Donaldson was born in Raywood i...
   Found op http://en.wikipedia.org/wiki/Jack_Donaldson_(athlete)
   
   

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