Ōzora no kyōshitsu
Subtitle: Kōkūki Jōin Yōseijo annaiki
By: Fujimura Ryō hencho
Publisher: Shimizu Shobō; Haikyūmoto Nihon Shuppan Haikyū Kabushiki Kaisha
Published: 1942
Place of publication: Tōkyō
Language: jpn
Number of pages: 211
Subjects: Kōkūki Jōin Yōseijo; Training of; Air pilots