Kenʾichi Iida

1926

• Gijutsu
• Hachiōji gijutsu bunkashi nōto
• Nihon tekkō gijutsu no keisei to tenkai
• Nihon tekkō gijutsu shiron
• Origin and development of iron and steel technology in Japan
• Teppō denrai zengo
• 人物・鉄鋼技術史