Bibliography
- Sogen, Omori; Trevor Leggett; Dōgen Hosokawa; Roy Kenichi Yoshimoto (2002). An Introduction to Zen Training: A Translation of Sanzen Nyumon. Tuttle Publishing. ISBN 0-8048-3247-1.
- Terayama, Katsujō; John Stevens; Omori Sogen (1983). Zen and the Art of Calligraphy: The Essence of Sho. Routledge & Kegan Paul. ISBN 0-7100-9284-9.
Read more about this topic: Omori Sogen