Mediapolitik by Lee Edwards (Catholic University of America)
Public Opinion by Walter Lippmann (Free Press)
"Ethics in Communications" (Pontifical Council for Social Communications)
Also helpful are other documents of this Vatican agency as well as World Communication Day statements by the last several popes and Pope John Paul II’s January 2005 apostolic letter The Rapid Development. All are available free on the Vatican’s Web site, www.vatican.va.