1912 5 23 NATIONAL National 40 visit the National “40” Factory National Motor Vehicle Company Indianapolis, IND MOTOR AGE May 23, 1912 8.5″x12″ page 107
1912 6 13 NATIONAL Inter-NATIONAL Champion National “40,” Indianapolis MOTOR AGE June 13, 1912 8.5″x12″ page 82
1912 6 27 NATIONAL Stock Champion National International Champion National “40,” Indianapolis Indianapolis, IND MOTOR AGE June 27, 1912 8.5″x12″ page 65