Marable was a leading figure in African-American studies as well as a historian, social theorist, and political activist. The collection includes appointment books, biographical information, budgets, clippings, correspondence, drafts, lecture notes, manuscripts, photographs, proposals, reports, speeches, syllabi, and teaching materials.

Personal papers, family and general correspondence, writings, field notes and research materials, working papers, office files and printed matter documenting Ralph Bunche's personal life and professional career, from his enrollment at the University of California to his retirement in 1971.