Наслов Expose of the Communist Party of Western Pennsylvania Упоредни наслов Поднаслов Based upon Testimony of Matthew Cvetic (Undercover Agent) : Tuesday, February 21, 1950 Аутор Корпоративни аутор Committee on Un-American Activities. Congress (81 ; 1950 ; Washington) Година издавања 1950 Место издавања Washington Издавач Committee on Un-American Activities