References
- Tillich , Paul . 1952 . The Courage to Be , New Haven : Yale University Press .
- May , Rollo . 1961 . “ ‘Existential bases of psychotherapy’ ” . In Existential Psychology , Edited by: May . New York : Random House .
- Shultz , George . 25 October 1984 . “ ‘Terrorism and the modern world’ ” . 25 October , US Department of State, Bureau of Public Affairs .
- Current Policy , 1