1916 HUDSON racer Indy 500 entry Ralph Mulford (did NOT qualify) 9.5″×6.25″ photo
1916 HUDSON racer Ira Vail Sheepshead Bay Races May 1916 Philadelphia Free Library photo
1916 HUDSON racer Ralph Mulford at Daytona Beach, FLA Breaks World Speed Record H-6900-489-HC 9.25″×7.5″ photo