The Shang Qing Tian Guan San Tu Jing 上清天关三图经
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The Supreme Clarity Scripture of the Three Diagrams of the Heavenly Pass
As one of the early classic texts of the Shangqing School (Supreme Clarity School), it consists of one scroll and is included in the Zhengyi Bu (Orthodox Unity Section) of the Daozang (Taoist Canon).

Most of the content of this scripture is identical to that of The True Grotto: The Supreme Clarity Scripture of the Three Diagrams of the Heavenly Pass and the Shift of the Seven Stars, except that the text from pages 1 to 8 of the first scroll of the latter has been omitted, and some divine diagrams have been added instead.
It is presumably a different version of the same classic text. For detailed information, please refer to the entry of The True Grotto: The Supreme Clarity Scripture of the Three Diagrams of the Heavenly Pass and the Shift of the Seven Stars.
About the Author
Paul Peng
Paul Peng is a Zhengyi Taoist priest from Longhu Mountain, Jiangxi — the ancestral home of the Celestial Masters' tradition. Ordained at 25 after a dream from the Celestial Master, he has practiced for 25 years under Master Zeng Guangliang. He is one of the curators of this store, which is officially authorized by Tianshi Fu. All items are consecrated at the temple by the resident priest team.
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