1. Disaster management handbook for children and people with severe motor and intellectual disabilities,2012
2. Damage situation and police countermeasures associated with 2011 Tohoku district – off the pacific ocean earthquake (August 15, 2012),2012
3. Reconstruction Agency. Concerning the “Death toll due to the earthquake in the Great East Japan Earthquake”; 2012.5.11.
4. Figure 2. Causes of death in the Great East Japan Earthquake (Iwate, Miyagi and Fukushima Prefecture): white paper on disaster management 2011. Cabinet Office, Government of Japan.
5. Great East Japan Earthquake: disabled children have double the death rate. Protection and issues for those living at home. Survey on 35 Municipalities. Mainichi Shimbun Survey. Mainichi Shimbun; 2011.12.24.