Jeff Knapp, Larry and Ellen Foster Communications Librarian
Hartman Center Digitized Collections [Duke University Libraries' Digital Collections]: From the John W. Hartman Center for Sales, Marketing and Advertising History, includes over 44,000 textual and multimedia resources assembled to promote understanding of social, cultural, and historical impact of advertising, marketing, and sales (1910's to 1980's), including these collections:
Databases Licensed by Penn State:
Other Online Collections: