Guilty in Yablonski Deaths." New York Times. June 20, 1973. Peterson, Bill. "The Tragedy of the Miners: Arnold Miller and the Disarray of the Reform Movement." Washington Post. January 16, 1977. Schenider, Steve. "This Time Around, Bronson Portrays the Victim." New York Times. April 20, 1986. Vasquez, Juan M. "Overseer Named for U.M.W. Voting." New York Times. June 21, 1972. Vasquez, Juan M. "U.M.W. Election of Boyle Is Upset by Federal Judge." New York Times. May 2, 1972. Vecsey, George. "Mine Workers Begin Balloting." New York Times. December 2, 1972. "Vindication for Jock Yablonski." Time. March 16, 1970. "The Yablonski Contract." Time. May 15, 1972. "Yablonski Defendant Pleads Guilty to Escape Chair." New York Times. April 12, 1972. "Yablonski Defendant Sentenced To Death for Three Murders." New York Times. November 14, 1971. "Yablonski Friends Say Suspect Visited Slain Man's Home Before Killing." New York Times. January 23, 1970. "Yablonski of U.M.W. Slain With Wife and Daughter." New York Times. January 6, 1970. External links Plot summary for Act of Vengeance Yablonski (murder-for-hire). AppalachiaCoal.com American trade union leaders United Mine Workers people Activists from Pittsburgh American trade unionists of Polish descent 1910 births 1969 murders in the United States 1969 deaths Deaths by firearm in Pennsylvania Pennsylvania state historical marker significations People murdered in Pennsylvania Pittsburgh Labor History People from Greene County, Pennsylvania