http://fcnl.org/resources/newsletter/julaug12/human_dignity/
http://www.catholicnewsagency.com/news/cardinal-says-peace-stems-from-recognition-of-human-dignity/
http://cabrinimissionmatters.wordpress.com/2013/04/16/human-dignity-as-the-foundation-for-peace/
http://www.mncc.org/catholic-spirit-pacem-in-terris-reflections/
https://educationforjustice.org/free-files/HumanDignity09.pdf