1910 7 13 MARMON Sport and Contests Harroun et al Raised Dust at Latonia THE HORSELESS AGE 8.5″×12″ page 58

1910 7 13 NATIONAL Sport and Contests Merz in National Won St. Louis Event THE HORSELESS AGE 8.5″×12″ page 57

1910 7 13 Sport and Contests Plainfield Climb Competitors Had Rough Ride Record Broken THE HORSELESS AGE 8.5″×12″ page 56

1910 7 13 Sport and Contests Plainfield Climb Competitors Had Rough Riding Merz in National Won St. Louis Event THE HORSELESS AGE 9″×12″ page 57

1910 7 13 Sport and Contests Plainfield Climb Competitors Had Rough Riding THE HORSELESS AGE 9″×12″ page 56