1910 7 20 BOSCH Magneto Cobe Cup Won Marmon THE HORSELESS AGE 9″×12″ page 25
1910 7 6 IND BOSCH Marmon Winner Cobe Trophy THE HORSELESS AGE 9″×12″ page 12
1910 7 6 MARMON Marmon Winner of the Trophy, Won with a BOSCH MAGNETO Nordyke & Marmon Company Indianapolis, Indiana THE HORSELESS AGE July 6, 1910 Vol. 26 No. 1 page 12