Teikoku Nōkai (Japan)
Beikoku ni okeru nōgyōchi kinʼyū ni kansuru chōsa- Beikoku no kokumotsu torihiki to kokugura
- Chū-shōnō to sangyō kumiai
- Fukuoka, Saga-ken ni okeru nōgyō kyōdō sagyō jittai chōsa
- Inshin sangyō chitai ni okeru nōson rōdō jijō chōsa
- Iwate-ken hokubu Kitakami ryūiki chitai ni okeru nōgyō rōdōryoku chōsei chōsa
- Iwate-ken nago kariwake seido zanson chitai ni okeru nōgyō rōdōryoku chōsei chōsa
- Kōchi bunsan ni kansuru chōsa
- Kōchi riyō ni kansuru chōsa
- Kome seisanhi chōsa shiryō
- Manshū kaitakumin sōshutsu chōsa
- Nōgyō keiei no hensen ni kansuru chōsa