1. Ames, Roger T. and Hall, David L.. 2003. Dao De Jing: A Philosophical Translation. New York: Ballantine Books.
2. Assandri, Friederike. 2009. Beyond the Daode Jing: Twofold Mystery in Tang Daoism. Magdalena: Three Pines Press.
3. Bhikkhu Ñāṇamoli and Bhikkhu Bodhi. 2005. The Middle Length Discourses of the Buddha: A Translation of the Majjhima Nikāya, Third Edition. Somerville: Wisdom Publications.
4. Bumbacher, Stephan Peter. 2007 “Early Buddhism in China: Daoist Reactions.” In Heirman, Ann. and Stephan Peter Bumbacher, eds., The Spread of Buddhism. Leiden/Boston: Brill: 203–246.
5. Cheng, Tsan-Shan 鄭燦山. 2006. “Encountering Buddhism: Twofold Mystery Thought of Cheng Hsuan-Ying 唐道士成玄英的重玄思想與道佛融通──以其老子疏為討論核心.” Journal of Chinese Language and Literature of National Taipei University 1: 151–178.