Tiān tán Wáng wū shān shèng jì jì 天壇王屋山聖跡記

Record of the Sage-Traces at the Heavenly Altar of Wángwū Mountain

by 杜光庭 (Dù Guāngtíng, 850–933) — late-Táng / Five-Dynasties Daoist polymath

A gazetteer-hagiography of Wáng wū shān 王屋山 (in Hé nán) — one of the ten great grottoes (shí dà dòng tiān 十大洞天) of Daoist sacred geography, with its Tiān tán 天壇 (Heavenly Altar) on the mountain’s summit. Compiled by the great Daoist polymath Dù Guāngtíng. Preserved as DZ 969 / CT 969 (Dòngshén bù, Jì chuán lèi 洞神部記傳類).

Dating. Late Táng to early Five Dynasties, within Dù’s lifetime. Dynasty: 唐-五代.