Chinese manuscript Huang-ch'ao i-t'ung yu-ti ch'uan-t'u.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Huang-ch'ao i-t'ung yu-ti ch'uan-t'u. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Huang-ch'ao i-t'ung yu-ti ch'uan-t'u. Wellcome Collection. Source: Wellcome Collection.