Theodore Kornweibel Research Papers, 1910-1960. Research materials assembled by Theodore Kornweibel. The collection consists of copies of FBI and other federal agency records, including case files obtained through the Freedom of Information Act, detailed notecards, printed federal documents, and Kornweibel's correspondence with federal agencies. Newberry Library, Chicago. External links African Blood Brotherhood documents, Early American Marxism website, www.marxisthistory.org/ "Black and Red: A Journey Through Communism in the Black Community," www.tcnj.edu/ "The Black Freedom Struggle and the Comintern", www.icl-fi.org/ "The African Blood Brotherhood and the Origins of Black Communism in the United States," Cosmonaut.blog 1919 establishments in New York City African-American leftism African Americans' rights organizations Communist Party USA mass organizations African-American history in Omaha, Nebraska Federal Bureau of Investigation History of Omaha, Nebraska Organizations established in 1919