Title: Dokugasu no Shima
Subjects: Employees, Asphyxiating and poisonous Gases, Physiological effect, Tōkyō Dai 2 Rikugun Zōheishō. Tadanoumi Seizōsho, Tōkyō Dai 2 Rikugun Zōheishō, Dokugasu, Taiheiyō sensō, Ōkunoshima
Places: Japan, Ōkuno Island