1. Baab, L. M. (2000). Personality types in congregations. New York: Alban Institute.
2. Batson, C. D., & Ventis, W. L. (1982). The religious experience: A social psychological perspective. New York: Oxford University Press.
3. Bigelow, E. D., Fitzgerald, R., Busk, P., Girault, E., & Avis, J. (1988). Psychological characteristics of Catholic sisters: Relationships between the MBTI and other measures. Journal of Psychological Type, 14, 32–36.
4. Brown, C. G. (2001). The death of Christian Britain. London: Routledge.
5. Cabral, G. (1984). Psychological types in a Catholic convent: Applications to community living and congregational data. Journal of Psychological Type, 8, 16–22.