Case 33: Zifu Draws a Circle
- Title in Sullivan (2021): Zifu Draws a Circle
- Title in Cleary and Cleary (1992): Ministry President Ch’en Sees Tzu Fu
- Title in Sekida (2005): Chinsō Shōsho Comes to Visit Shifuku
- Named characters (in Pinyin):
- Chencao
- Zifu
- Named characters (in Wade-Giles):
- Ch’en Ts’ao
- Tzu Fu
- Named characters (in Japanese):
- Chinsō
- Shifuku
- 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 137, 1973)
- Dainin Katagiri (audio dharma talk)
- Jay Rinsen Weik (audio dharma talk)
- Kurt Spellmeyer (audio dharma talk 1 and 2)
- Yamada Kôun (dharma talk with paywall)
- Scholarly commentary:
- Kusumoto Bunyū (contained in Zengo Nyūmon, Zengo 20, 1982)