Text ( visual ) : unmediated Chinese alchemy : preliminary studies / Nathan Sivin. -- Cambridge : Harvard University Press , 1968. -- xxiv, 339 p. : ill. ; 24 cm. -- (Harvard monographs in the history of science). -- Includes bibliographies. -- (BA29155002) ; https://ci.nii.ac.jp/ncid/BA29155002 Author Heading(s): Sivin, Nathan. -- Classification(s): LCC : QD13 ; DC : 540/.951. -- Subject Heading(s): LCSH : Alchemy -- China -- History ; LCSH : Chemistry -- China -- History