0326. Industrial Workers of the World - By State. Case File 186701. Section 14. Previously Restricted Materials. Illinois. 61 pages., 1917- 1920

People: J. Edgar Hoover; William J. Burns; Thomas W. Gregory. Subjects: Department of Justice investigation of Industrial Workers of the World activities in Illinois; Department of Justice raids against the Industrial Workers of the World, the Union of Russian Workers, the Communist Labor Party of America, and the Communist Party of America; Non-Partisan League; Department of Justice cooperation with the Department of Justice of Canada; Industrial Workers of the World activities in the United States and Canada; organization of the Industrial Workers of the World Division of the Radical Department of the Bureau of Investigation.