Ninth annual Grand American Handicap of the Interstate Association, Columbus, O. June 22-26, 1908
http://www.la84foundation.org/Sports.../SL5117024.pdf
The Professional Championship was won by Fred Gilbert, of Spirit Lake, la., over R. R. Barber, both men breaking 188. Gilbert then ran off his string of twenty while his opponent dropped 17 in the shoot-off.