1. Azuma, Juji. 吾妻重二. 2017. New Research on the Study of Master Zhu (Xi) 朱子學的新研究—近世士大夫思想的展開. Beijing 北京: The Commercial Press 商務印書館. (This is an excellent comprehensive study of Zhu’s philosophy.)
2. Balazs, Ėtienne, and Yves Hervouet, ed. 1978. A Sung Bibliography. Hong Kong: The Chinese University Press.
3. Berling, Judith A. 1979. “Paths of Convergence: Interactions of Inner Alchemy Taoism and Neo-Confucianism,” Journal of Chinese Philosophy 6: 123–47. (This article reveals some of the Daoist influences on Zhu Xi’s thinking.)
4. Bodde, Derk. 1942 May. “The Chinese View of Immortality: Its Expression by Chu Hsi and Its Relationship to Buddhist Thought.” Review of Religion 6: 369–83.
5. Cady, Lyman V. 1939. The Philosophy of Lu Hsiang-shan: A Neo-Confucian Monistic Idealist. Taipei: Pacific Cultural Foundation. (A dated but good source containing translations and analysis.)