1. Benson, H. (1975): The relaxation response. New York: William Morrow Bloom, T., & Friedman, H. (2013): Classifying dogs’ (Canis familiaris) facial expressions from photographs. Behavioural Processes, 96, 1–10
2. Braud, W., & Anderson, R. (1999). Transpersonal research methods for the social sciences: Honoring human experience. Thousand Oaks: Sage
3. Coder, K., DeYoung, C., & Friedman, H. (2014): Transforming self and world: Achieving justice through socially engaged spiritual psychology. In C. Johnson, H. Friedman, J. Diaz, Z. Franco, & B. Nastasi (Eds.; 2014), pp. 193–209
4. Deutsch, M., Coleman, P., & Marcus, E. (Eds.; 2006): The handbook of conflict resolution: Theory and practice. San Francisco: Jossey-Bass Eisenberg, D. (1985): Encounters with Qi. New York: Viking Penguin Fracasso, C., Greyson, B., & Friedman, H. (2013): Near-death experiences and transpersonal psychology: Focus on helping near-death experiencers. In H. Friedman & G. Hartelius (Eds.; 2013): The Wiley-Blackwell hand book of transper sonal psychology (pp. 367–380). Oxford: Wiley-Blackwell
5. Friedman, H. (2014a): Finding meaning through transpersonal approaches in cli-nical psychology: Assessments and psychotherapies. Journal of Existential Psychology and Psychotherapy, V, 45–49