Statement by J. Edgar Hoover - Director, Federal Bureau of Investigation to the Subcommittee to Investigate the Administration of the Internal Security Act and Other Internal Security Laws of the COmmittee on the Judiciary - United States Senate - Eighty-Ninth Congress - Second Session - Concerning the 18th National Convention, Communist Party, U.S.A., 1966/0622-26, PRJO 41/32, Box: PRJO 41. Richard J. O'Melia Collection, RJO. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/1757132 Accessed September 21, 2024.