References
- Bergsgaard , M. O. 1986 . The self in the shadows: The existential view and education. Univ. of Manitoba.
- Karl , F. R. , and Hamalian , L. 1963 . The existential imagination. Greenwich : Fawcett Publications .
- Sartre , J. P. 1947 . Existentialism. New York : Philosophical Library .
- Tillich , P. 1952 . The courage to be. New Haven : Vision Press .