The Southern Historical Collection is a repository of distinct archival collections at the University of North Carolina at Chapel Hill which document the culture and history of the American South. These collections are made up of unique primary materials, such as manuscripts, letters, photographs, diaries, drawings, scrapbooks, journals, oral histories, maps, ledgers, moving images, literary manuscripts, albums, and other materials. It was established in 1930, making use of material collected by the North Carolina Historical Society.

More information on the Wikipedia page [1]

The website is [2]