1. Benedict XVI. 2007. The human family, a community of peace. Message for the 41st World Day of Peace 2008. http://www.vatican.va/holy_father/benedict_xvi/messages/peace/documents/hf_ben-xvi_mes_20071208_xli-world-day-peace_en.html .
2. Benedict XVI. 2009a. Caritas in Veritate. http://www.vatican.va/holy_father/benedict_xvi/encyclicals/documents/hf_ben-xvi_enc_20090629_caritas-in-veritate_en.html .
3. Benedict XVI. 2009b. If you want to cultivate peace, protect creation. Message for the 43rd World Day of Peace 2010. http://www.vatican.va/holy_father/benedict_xvi/messages/peace/documents/hf_ben-xvi_mes_20091208_xliii-world-day-peace_en.html .
4. Berlin, Adele. 2005. The wisdom of creation in Psalm 104. In Seeking out the wisdom of the ancients: Essays offered in honor of Michael V. Fox on the occasion of his sixty-fifth birthday, ed. R.L. Troxel, K.G. Friebel, and D.R. Magary, 71–83. Winona Lake: Eisenbrauns.
5. Berry, Wendell. 1993. Christianity and the survival of creation. Cross Currents 43(2): 149–163.