1926 1 DUESENBERG NEW CARS for the NEW YEAR Duesenberg Automobile & Motors Co., Inc. Indianapolis, Indiana page 121
1928 11 17 DUESENBERG E.L.CORD Announces Plans for Duesenberg Duesenberg Automobile & Motors Co., Inc. Indianapolis, Indiana THE SATURDAY EVENING POST November 17, 1928 page 45
1928 12 DUESENBERG Duesenberg 265 Horse Power Car 116 Miles Per Hour By Harold F. Blanchard (continued from page 184) MoToR page 188