8. Ibid., p. 78.
9. Wu, Golden Age of Zen, p. 167.
10. Ibid., p. 167.
11. John Wu (Golden Age of Zen, p. 165) says, "The style of the house of Kuei-yang has a charm all of its own. It is not as steep and sharp-edged as the houses of Lin-chi and Yun-men, nor as close-knit and resourceful as the house of Ts'ao-tung nor as speculative and broad as the house of Fa-yen, but it has greater depth than the others."
12. See Chang Chung-yuan, Original Teachings of Ch'an Buddhism, p. 269. Other translations of Yun-men anecdotes, as well as interpretations and appreciations, can be found in Luk, Ch'an and Zen Teaching, Second Series; Chou, Dhyana Buddhism in China; Wu, Golden Age of Zen; and Blyth, Zen and Zen Classics, Vol. 2.
13. He had six koans out of forty-eight in the Mumonkan and eighteen koans out of a hundred in the Hekiganroku. Perhaps his extensive representation in the second collection is attributable to the fact that its compiler, Ch'ung-hsien (980-1025), was one of the last surviving representatives of Yun-men's school.
14. Chang Chung-yuan, Original Teachings of Ch'an Buddhism p. 284.
15. Ibid., p. 286.
16. Ibid., p. 229.
17. Ibid., p. 228.