First work originally published: Tōkyō-shi : Chōsen Kōgyō Kabushiki Kaisha, [Taishō 8 i.e. 1919]. 2nd work originally published: [Tokyo : Chōsen Kōgyō Kabushiki Kaisha], Shōwa 4 [1929]. 3rd work originally published: [Tokyo : Chōsen Kōgyō Kabushiki Kaisha], Shōwa 11 [1936]. With new postface.