National Committee to Defeat the Mundt Bill [flyer]; "Internal Security Act of 1950", September 22, 1950; undated

This sub-series contains petitions, letters, pamphlets, and other documents published by the National Committee to Repeal the McCarran Act, Citizens Committee for Constitutional Liberties, Los Angeles Committee for Protection of Foreign Born, and other organizations regarding the McCarran Act, also known as the Internal Security Act of 1950, or the Subversive Activities Control Act of 1950 which required Communist organizations to register with the United States government. For more material related to the Los Angeles Committee for Protection of Foreign Born see Sub-Series C: American Committee for Protection of Foreign Born/Los Angeles Committee for Protection of Foreign Born.