1. Abe, Masao, and Christopher Ives. Trans. 1990. An Inquiry into the Good. New Haven and London: Yale University Press.
2. Fujita, Masakatu 藤田正勝. 2022. 『西田幾多郎『善の研究』を読む』 (Reading Nishida Kitarō’s Zen no Kenkyū). Tokyo: Chikuma Shinsho.
3. Huang, Yong. 2017. Knowing-that, Knowing-how, or Knowing-to? Wang Yangming’s Conception of Moral Knowledge (Liangzhi). Journal of Philosophical Research. 42: 65–94.
4. Mizuno, Tomoharu 水野友晴. 2000. 「西田幾多郎とT. H. グリーン—自己実現の原理に注目して」 (Nishida Kitaro and Thomas Green: On the Maxim of Self-Realization). 『日本の哲学』 (Japanese Philosophy). vol. 1, 57–75.
5. Nakajima, Yuta 中嶋優太. 2021. 「Gedanken」思索ノート(C04)について」 (On the Note of Thought (C04) “Gedanken”). Ishikawa Nishida Kitaro Museum of Philosophy. ed. 『西田幾多郎未公開ノート類研究資料化 報告5』 (Documenting the Study of Nishida Kitarō’s Unpublished Notes, vol. 5), 81–85. Ishikawa: Maeda Printing.