The Rubenstein Library is an amazing resource for manuscript collections, organizational records, rare books, and much more. Within the Rubenstein Library, the Sallie Bingham Center for Women's History and Culture has extensive collections on the public and private lives of women. See their research guides for more information about their collections. The John W. Hartman Center for Sales, Advertising, and Marketing History holds extensive collections on advertising and marketing history including the Walter Thompson Company Archives. See their research guides for additional information.
The University Archives also holds collections of interest including Duke's yearbook, The Chanticleer. (digitized from 1912). Check out their digitized collections page for more resources.