Columbia subject headings:
Harvard subject headings:
Alchemy--China.
Alchemy--Religious aspects--Taoism
Taoism
Wei, Boyang, active 2nd century. Can tong qi.
Yi jing
Princeton subject headings:
Alchemy--China.
Alchemy--Religious aspects--Taoism.
Taoism.
Wei, Boyang, active 2nd century. Can tong qi.
Yi jing.