Sora no mamori
By: [hensha] Rikugunshō Tsuwamono Henshūbu
Series: Kuni no chikara sōsho -- 1
Publisher: Gunji Kagakusha
Published: 1934
Place of publication: Tōkyō
Language: jpn
Number of pages: 114
Subjects: Air defenses
Notes: "MOJ 75-A 666": intended for microfilm.

LC copy from Naimushō Keihokyoku censorship collection; inspector's decision: "Fumon shikarubeki ya," with lengthy comments.