* Hiroshima Castle official site (note: students from abroad studying in Japan, show your Japanese school ID, then entrance fee will be free)* Junji Akechi, "New theory offered for collapse of Hiroshima Castle tower in the bombing" Chugoku Shimbun Website
== Literature ====Notes====External links==* Hiroshima Castle official site <br> (note: students from abroad studying in Japan, show your Japanese school ID, then entrance fee will be free)* Junji Akechi, "New theory offered for collapse of Hiroshima Castle tower in the bombing" Chugoku Shimbun Website