2. Hokushi kankō chōsa shiryō no bu, suiri hen : Pekin-shi Seikō, Kahokushō kyokushūken, kōkaken [1941]
7. Kahoku-shō Jungi-ken Sai-son chikenshū. [1941]
12. Kahoku-shō Jungi-ken Sai-son kōso kōka. [1941]
14. Kahokushō Jungi-ken Sai-son nōson kinʼyū oyobi torihiki ni kansuru shitsumon ōtō [microform]. [1941]
18. Kahoku-shō Jungi-ken Sai-son tochi no baibai [1941]
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