Jishin Chōsa Kenkyū Suishin Honbu. Jishin Chōsa Iinkai

• "Izu tōbu no jishin katsudō no yosoku shuhō" hōkokusho
• Gōsei kaikō rēdā ni yoru jishin katsudō ni kanrensuru chikaku hendō kansoku shuhō ni tsuite
• Nihon no jishin katsudō