Investigation of Communist activities ; (the Committee to Secure Justice in the Rosenberg Case and affiliates) : hearings before the Committee on Un-American Activities, House of Representatives, Eighty-fourth Congress, first session .....

Investigation of Communist activities ; (the Committee to Secure Justice in the Rosenberg Case and affiliates) : hearings before the Committee on Un-American Activities, House of Representatives, Eighty-fourth Congress, first session .....