Usa gunseishi
By: Ōita-ken Usa-gun Kyōikukai hen
Publisher: Kokusho Kankōkai
Published: 1985
Place of publication: Tōkyō
Language: jpn
Number of pages: 622
Notes: Reprint. Originally published: Ōita-ken Usa-gun : Ōita-ken Usa-gun Kyōikukai, 1924.