The program cover for the Aug. 5, 1937 Harrison Old Home Week Horse Show. The program, which cost 10 cents, describes Harrison as "The Friendly Village."

Many of the participants were from summer camps.

Arthur Waterman (1907-1974) of Portland participated in several adult events, including Model Saddle Horses on Lexington, Three Gaited over 15.2 on Lexington, Combination Class, shown under saddle, then in harness, on Lexington; and Ponies, Three Gaited Under 14-2 on Sun Tan.