Okayama-ken (Japan)

• 1985-nen nōgyō sensasu kekka hōkokusho
• Akaruku yutaka de katsuryoku no aru kyōdo-zukuri o mezashite
• Bitchū shi
• Daisanki sanson shinkō keikakusho
• Engo no ayumi
• Gyōkeishi
• Gyōkōkeishi
• Gyōsei shiryō mokuroku Kensei Jōhōshitsu bun
• Inspection of rice and establishment of the system
• Josei no chii kōjō ni kansuru seikatsu to ishiki
• Kyoju rōju o tazunete
• Me de miru Okayama no hyakunen