Xuán jiào dà gōng àn 玄教大公案

Great Gōngàn of the Mysterious Teaching

by 苗善時 (Miáo Shànshí) — Yuán Quán zhēn Daoist

A Yuán Daoist collection of gōng àn 公案 (lit. “public cases” — Chan-style problematic questions/exchanges applied to Daoist practice). Preface dated 1324. Preserved as DZ 1065 / CT 1065 (Tài xuán bù 太玄部).