1. Addiss, Stephen (2008). Zen Sourcebook: Traditional Documents from China, Korea, and Japan, Hackett Publishing.
2. Addiss, Stephen, and Seo, Audrey Yoshiko (2010). The Sound of One Hand: Paintings and Calligraphy by Zen Master Hakuin, Shambhala.
3. Aitken, Robert (1978). A Zen Wave: Basho’s haiku and Zen, Shoemaker & Hoard.
4. Besserman, Perle, and Steger, Manfred (1991). Crazy Clouds: Zen Radicals, Rebels, and Reformers, Shambhala Publications.
5. Collins, Steven (2018). Buddhist Spiritual Practices: Thinking with Pierre Hadot on Buddhism, Philosophy, and the Path, Mangalam Press.