Columbia subject headings:
Alchemy--Religious aspects--Taoism--Early works to 1800.
Taoism--Doctrines--Early works to 1800.
Harvard subject headings:
Alchemy--Religious aspects--Taoism--Early works to 1800.
Taoism--Doctrines--Early works to 1800.
Princeton subject headings:
Alchemy--Religious aspects--Taoism--Early works to 1800.
Taoism--Doctrines--Early works to 1800.