Ad*Access (Duke University) "presents images and database information for over 7,000 advertisements printed in U.S. and Canadian newspapers and magazines between 1911 and 1955."
Emergence of Advertising in America, 1850-1920 (Duke University) "presents over 9,000 images, with database information, relating to the early history of advertising in the United States."
Medicine & Madison Avenue (Duke University) "presents images and database information for approximately 600 health-related advertisements printed in newspapers and magazines. These ads illustrate the variety and evolution of marketing images from the 1910s through the 1950s."