Communist political subversion; part 2. Appendix to hearings. Eighty fourth congress, second session. Washington, D.C. Nov. 12, 13, and 14, 1956; Youngstown, Ohio, Nov. 28, 1956; Chicago, Ill., Dec. 3 and 4, 1956; Los Angeles, Calif., Dec. 5, 6, 7, and 8,