Sekai Taisen kankei Nihon gaikō bunsho
By: Gaimushō Chōsabu Dai Ikka hen
Publisher: Kuresu Shuppan
Published: 1998
Place of publication: Tōkyō
Language: jpn
Subjects: World War, 1914-1918; Sources; Foreign relations
Other titles: Sekai Taisen kankei Nihon gaikō monjo
Notes: Originally published: Gaimushō Chōsabu dai Ikka, Shōwa 14- [1939-].