1912 6 13 NATIONAL Winner Indianapolis 500-mile Race Truffault-Hartford SHOCK ABSORBERS HARTFORD SUSPENSION COMPANY Jersey City, New Jersey MOTOR AGE June 13, 1912 8.5″x12″ page 2
1912 9 4 Truffault-Hartford SHOCK ABSORBER THE HORSELESS AGE 9″×12″ Inside front page
1913 8 20 Truffault-Hartford Shock Absorbers Give Added Comfort to Marion Cars ad THE HORSELESS AGE 9″×12″ page 318