Article Hirota, Kozo (1986)
The Japanese concept of chemistry in the Meiji Era: A conflict of conception between Joji Sakurai and members of the Chemical Society of Tokyo. (In Japanese.). 化学史研究 [Kagakushi kenkyū; Journal of the Japanese Society for the History of Chemistry] (pp. 145-158). (/isis/citation/CBB000054614/) unapi

Article Hirota, Kozo; Yamaguchi, Tatsuaki (1983)
Did S. Arrhenius really propose the Arrhenius equation?. Historia Scientiarum: International Journal of the History of Science Society of Japan (pp. 53-55). (/isis/citation/CBB000027998/) unapi

Article Hirota, Kozo (1982)
Dr. K. Ikeda's activity and thought in the latter half of his life. (In Japanese.). 化学史研究 [Kagakushi kenkyū; Journal of the Japanese Society for the History of Chemistry] (pp. 49-58). (/isis/citation/CBB000023146/) unapi

Article Hirota, Kozo (1981)
On the invention of a new seasoning by Dr. Kikunae Ikeda. (In Japanese.). 科学史研究 Kagakusi Kenkyu (History of Science) (pp. 36-44). (/isis/citation/CBB000025124/) unapi