Sān dòng zhū náng 三洞珠囊

Pearl-Sack of the Three Caverns

by 王懸河 (Wáng Xuánhé) — Táng Shàng qīng scholar

A Táng Daoist encyclopedia compiled by Wáng Xuánhé, collecting material from the Three Caverns of the Daoist canon organized by topic. A major primary source for Six-Dynasties to early-Táng Daoist material. Preserved as DZ 1139 / CT 1139 (Tài píng bù 太平部).