Case 21: The Lotus of Zhimen
- Title in Sullivan (2021): The Lotus of Zhimen
- Title in Cleary and Cleary (1992): Chih Men’s Lotus Flower, Lotus Leaves
- Title in Sekida (2005): Chimon’s Lotus Flower and Lotus Leaves
- Named characters (in Pinyin):
- Zhimen
- Named characters (in Wade-Giles):
- Chih Men
- Named characters (in Japanese):
- Chimon
- Historical commentaries:
- Hakuin Ekaku and Tenkei Denson (contained in Secrets of the Blue Cliff Record, Thomas Clearly, 2002)
- Modern commentaries:
- Matthew Juksan Sullivan (contained in The Garden of Flowers and Weeds, 2021)
- Gyomay Kubose (contained in Zen Koans, page 26, 1973)
- Stefano Mui Barragato (dharma talk)
- Kurt Spellmeyer (audio dharma talk)
- Genjo Marinello (audio dharma talk)
- Bodhin Kjolhede (audio dharma talk)
- Ken Morgareidge (audio dharma talk)
- Geoffrey Shugen Arnold (audio dharma talk)
- Yamada Kôun (dharma talk with paywall)
- Scholarly commentaries:
- Steven Heine (contained in Chan Rhetoric of Uncertainty in the Blue Cliff Record, page 166, 2016)