San Francisco Call, Volume 113, Number 160, 9 May 1913
Warrensburg, MO May 8, 1913
Walnut Boy, famous pacing stallion, who made the fastest pacing record of any breeding horse on exhibition at the Columbia exposition, Chicago 1893, is dead here. The horse was owned by John Callison, a well known breeder of racing stock, and was 27 years old.
