Friday, Karl F. with Seki Humitake, Legacies of the Sword: The Kashima Shin-ryū and Samurai Martial Culture, Honolulu: University of Hawai'i Press, 1997.
הפדרציה הבינלאומית של קשימה שין-ריו Friday, Karl F. with Seki Humitake, Legacies of the Sword: The Kashima Shin-ryū and Samurai Martial Culture, Honolulu: University of Hawai'i Press, 1997.