Title: Teito bōei
Subjects: Politics and government, Internal security, History, Civil defense, Emergency management, Nihon-Rekishi-Shōwa jidai, Tōkyōto-Rekishi, Nihon-Kokubō-Rekishi, Saigai yobō-Rekishi
Places: Tokyo (Japan), Japan, Tokyo
Time periods: 19th century, 20th century