Master Sheng-yen et Dan Stevenson, Hoofprint of the Ox : Principles of the Chan Buddhist Path as Taught by a Modern Chinese Master, (lire en ligne).
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(zh) Ven. Chan Master Dezheng (德政禅师), « 中国禅宗曹洞宗的法脉传承 (Zhōng guó chán zōng cáo dòng zōng dí fǎ mài chuán chéng) » (consulté le ) : « Outlines Caodong School lineage from founding to modern times in China. Regarding the Caodong School lineage transmission to Ven. Hsu Yun, it says "光緒十八年(1882)...;同年又承(鼎峰)耀成和尚之曹洞宗法脈,為曹洞宗第四十七世。“ (trans. to English: In 1882, (Ven. Hsu Yun) received from Ven. (Dingfeng) Yaocheng the Caodong school transmission, becoming the forty-seventh generation holder of the transmission.) ».