Kenʼichi Ōki

• Hokuan-shō Tokuto-ken Godairenchi ryūka tekkō chōsa hōkoku
• Hōten-shō Kaijō-ken Godōrei hotaruishi chōsa hōkoku
• Jūmanbun no ichi chizu Neien-shū oyobi Zentonʼei kunai kōsanchi chōsa hōkoku
• Jūmanbun no ichi chizu Suichū-ken kuikinai kōsanchi chōsa gaihō
• Kinshū-shō Chōyō-ken Gabōshi suisei mangan kōshō chōsa hōkoku
• Kinshū-shō Chōyō-ken Katsufun tankō chōsa hōkoku
• Kitsurin-shō Itsū-ken Gashōton mangan kōshō chōsa hōkoku
• Kitsurin-shō Kōga-ken Kōga tanden shisui chishitsu chōsa hōkoku
• Manshū jūmanbun no ichi zufuku Kōkoton kunai kōsanchi gaihō
• Nenketsusei san tanden (Fukin, Shōwan oyobi Kōryū) no shizenteki jōken gaiyō