3. Hokushi nōson gaikyō chōsa hōkoku [1939 - ]
4. Hokushi nōson gaikyō chōsa hōkoku [microform] [1939 - ]
7. Jungi-ken Sai-son jūshichiko nōka sentaku kobetsu kakei chōsa. [1940 ... 1949]
14. Kankō chōsa kenkyū kōmoku [1940]
17. Kita Shina sangyō tōkei teiyō [1940]
18. Mōkyō bokuya chōsa hōkoku [1940]
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