The Extensive Flower Adornment Sutra: Chapter on the Practices and Vows of Samantabhadra, with Separate Commentary and Sub-commentary (Selections from "Accounts of the Seven Patriarchs of the Huayan School" and "Appendix") (大方廣佛華嚴經普賢行願品別行疏鈔（選錄「華嚴宗七祖行蹟」及「附錄」）)
The monk and scholar Chengguan (738–839) lived during the Tang Dynasty and is best known as the author of the *Commentary on the Flower Garland Sutra* (Fahua jing shu), a seminal work in Chinese Huayan Buddhism.