| Title | Expose of the Communist Party of Western Pennsylvania |
| Alternate title | |
| Subtitle | Based upon Testimony of Matthew Cvetic (Undercover Agent) : Tuesday, February 21, 1950 |
| Author | |
| Corporate author | Committee on Un-American Activities. Congress (81 ; 1950 ; Washington) |
| Year of publication | 1950 |
| Place of publication | Washington |
| Publisher | Committee on Un-American Activities |
| Source | |
| Signature | 83-27-P56 |