1. Abram, D. (1996). The spell of the sensuous. New York: Vintage Books.
2. Abram, D. (2011). Becoming animal: An earthly cosmology. New York: Vintage Books.
3. Chiesa, A. & Serretti, A. (2009). Mindfulness-based stress reduction for stress management in healthy people: A review and meta-analysis. The Journal of Alternative and Complementary Medicine, 15(5), 593–600. doi: 10.1089//acm.2008.0495 .
4. Chopin, K. (1993). The awakening. New York: Dover.
5. Clements, R. (2004). An investigation of the status of outdoor play. Contemporary Issues in Early Childhood, 5(1), 68–80. doi: 10.2304/ciec.2004.5.1.10 .