1. Patrice M. Dabrowski,Poland: The First Thousand Years(DeKalb: Northern Illinois University Press, 2014), 413. The Central Intelligence Agency has noted that not all the murders may have happened indoors or in a cell.
2. Jonathan Fenby,The International News Services: A Twentieth Century Fund Report(New York City: Schocken Books, 1986), 56.
3. Edward L. Bernays,Propaganda(New York City: Horace Liveright, 1928), 25.
4. Garth S. Jowett and Victoria O'Donnell,Propaganda and Persuasion(Newbury Park, Calif.: Sage Publications, 1986), 15.