1. Freeman T (2018) Wisdom to heal the Earth: meditations and teachings of the Lubavitcher Rebbe. Ezra Press and Chabad.org
2. Tikkun Olam. Repairing the World. My Jewish Learning. https://www.myjewishlearning.com/article/tikkun-olam-repairing-the-world/. Accessed 17 Apr 2022
3. Radnoti S. Lecture notes. Eötvös Loránd University (unpublished)
4. Burdick E, Wheeler H (1962) Fail-safe. ECCO
5. Lumet S (director). Fail safe. https://www.tcm.com/tcmdb/title/4556/fail-safe#overview