Black Freedom Struggle in the United States:

Casefile #61 -23: Radical Activities in the Greater New York District. 1921. [includes inserts of the following Bureau of Investigation files: #61-167: Workers Party of America; #61-349: Radical Newspapers and Magazines Printed in New York City; #61-44: Cyril v. Briggs; and #61-826: Marcus Garvey; African Blood Brotherhood], Department of Justice-Bureau of Investigation Surveillance of Black Americans, Freedom of Information Act Retrievals, 1921

National Archives Folder: Casefile on Cyril v. Briggs, Marcus Garvey, and the African Blood Brotherhood regarding government surveillance of African Americans, 1921