Gakke Ruiju: Gakke-Ruijyu by Yoichi Hayashi, Sukeyasu Shiba, Toshiharu Togi (448780079X 9784487800797 4-487-80079-X)
Saishin Nihon No Jishin Chizu by Yoshimitsu Okada (4487801583 9784487801589 4-487-80158-3)
