The Delaware postcard collection houses examples of many of the different types of postcards produced from the late nineteenth century to the modern era, including real photo postcards, linen postcards, and photochrome or chrome postcards. It also serves as a visual record of the historic and geographic changes in Delaware over this time period.

W. Barksdale (William Barksdale) Maynard is a lecturer in art and architectural history at the University of Delaware. The W. Barksdale Maynard photographs of Delaware collection contains color slides and digital images of numerous buildings, documenting Delaware's architectural history.