1. Ahern, Dennis M. 1977. “Ineffability in the Lao Tzu: The Taming of a Dragon.” Journal of Chinese Philosophy 4.4: 357–382.
2. Chunqiu Fanlu 春秋繁露 (The Luxuriant Dew of the Spring and Autumn Annals). 2006–2019. In The Chinese Text Project, edited by Donald Sturgeon. https://ctext.org/chun-qiu-fan-lu/zh (last accessed on August 5, 2021).
3. Chunqiu Zuozhuan 春秋左傳 (Zuo’s Commentary on the Spring and Autumn Annals). 2006–2019. In The Chinese Text Project, edited by Donald Sturgeon. https://ctext.org/chun-qiu-zuo-zhuan/zh (last accessed on August 5, 2021).
4. Fraser, Chris. 2011. “Emotion and Agency in Zhuangzi.” Asian Philosophy 21.1: 97–121.
5. Fukunaga, Mitsuji 福永光司. 1966. Zhuangzi The Inner Chapters 莊子內篇. Tokyo 東京: Asahi Shimbunsha 朝日新聞社.