Huáng dì bā shí yī Nán jīng zhù yì tú xù lùn 黃帝八十一難經註義圖序論

Prefatory Discourse with Diagrams on the Huángdì Eighty-One Nánjīng Commentary

by Lǐ (author unclear in catalog meta as merely “李”; probably 李駉)

A Sòng medical exegetical prefatory piece on the Nán jīng 難經 (“Classic of Difficulties”), with accompanying diagrams. Catalog attribution inconclusive. (Note: source directory empty in the Kanseki mirror.)

Dating. Sòng. Dynasty: 宋.