Internationale Ōgai-Studien
Hasegawa Izumi
“Pioneers of Modern Japan: VI Mori Ōgai”, Japan Quarterly 12.2 (1965): 237–44.
Reprinted in
Hasegawa Izumi
“Mori Ōgai”, Ōgai bungaku no sokkō, Meiji Shoin 1981: 1–13 (296–308).
Hasegawa Izumi
Mori Ōgai ronkō kenteki, Meiji Shoin 1992 (Hasegawa Izumi chosaku sen 2): 1–15 (467–53).