Columbia subject headings:
Harvard subject headings:
Alchemy--Religious aspects--Taoism--Early works to 1800.
Taoism--Doctrines--Early works to 1800.
Zhang, Boduan, active 10th century-11th century. Wu zhen pian.
Princeton subject headings:
Alchemy--Religious aspects--Taoism--Early works to 1800.
Taoism--Doctrines--Early works to 1800.
Zhang, Boduan, active 10th century-11th century. Wu zhen pian.