1919 5 15 NATIONAL National Six and Twelve Cylinder Models MOTOR AGE May 15, 1919 8.75″x11.5″ page 63
1919 6 26 NATIONAL Mansfield, Ohio, Isn’t New York, But— NATIONAL MOTOR CAR & VEHICLE CORPORATION Indianapolis, IND MOTOR AGE June 26, 1919 8.25″x11.5″ page 57
1919 6 NATIONAL National Twelve Cylinder Cars Vanity Fair June 1919 8.5″x12.5″