Ann Arbor News, July 31, 1939
Digitized Photos:
- Dexter's Robert Moore wins a heat in Ann Arbor's Soap Box Derby, July 1939
- Bob Hahn, Winner of the Soap Box Derby, July 1939
- George Crandall at the Soap Box Derby Finish Line, July 1939
- Soap Box Derby Class A Winner Bob Hahn Crosses the Finish Line, July 1939
Digitized Articles:
- 36 Races Necessary To Decide Soap Box Title
- Bob Hahn Is Winner Of Soap Box Derby
- New Soap Box Derby Champion Was Confident He Would Win City Title
- Soap Box Drivers Pack An Appetite After A Hard Day