James E. Jackson and Esther Cooper Jackson, African American communists and civil rights activists, are best known for their role in founding and leading the Southern Negro Youth Congress (1937-48). This collection contains the correspondence of both Esther Cooper and James E. Jackson, James Jackson's lectures, research notebooks, speeches, and writings (published and unpublished), subject files, correspondence, internal documents and printed ephemera pertaining to the Southern Negro Youth Congress and the periodical Freedomways, legal and other materials pertaining to the Smith Act indictments of James Jackson and other communists, Communist Party internal documents, many of a programmatic nature, and clippings (articles by and about the Jacksons).