1. A Discussion of Philosophy and Psychotherapy: Part 3—Epistemology: The Darkness of Unknowing
2. Disaster Prevention Headquarter of Fukushima Prefecture. (2019). Damage situation associated with 2011 Tohoku district-off the Pacific Ocean Earthquake, No. 1759, November 5, 2019page-number="370". Fukushima, Japan: Disaster Prevention Division.
3. Emergency Disaster Countermeasures Headquarters of National Policy Agency. (2019). Police countermeasures and damage situation associated with 2011 Tohoku district-off the Pacific Ocean Earthquake, September 10, 2019. Tokyo, Japan: National Police Agency.
4. Not in My Family