Japan) Sanbu Kōkogaku Kenkyūjo (Chiba-ken

• Akagarasu iseki
• Gunma-ken Fujioka-shi Takimae Takishita iseki
• Gunma-ken Maebashi-shi Hakodazakai iseki
• Gunma-ken Maebashi-shi Maeyama II iseki
• Gunma-ken Maebashi-shi Tenjin iseki hakkutsu chōsa hōkokusho
• Hannokura Iseki
• Hosohara
• Jizōdaira Iseki, Jizōkubo Kaizuka
• Kamiokakami kofungun
• Kansentoiminami iseki
• Kokai Matsuzuka Kofungun
• Obaraku isekigun