Additional statistics resources for the Chicago and Illinois regions are listed here:
Chicago - Past and Present: Statistics
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This collection features award-winning documentaries, newsreels, interviews and archival footage surveying the evolution of black culture in the United States, many from producers California Newsreel and Filmmakers Library. At present, the collection includes 145 videos, totaling 141 hours, going back to 1969. Many of the videos also have transcriptions.