Columbia subject headings:
Alchemy--Religious aspects--Christianity--Sources.
Alchemy--Religious aspects--Christianity.
Philosophy, Medieval.
Harvard subject headings:
Alchemy--Early works to 1800
Alchemy--History--To 1500.
Alchemy--Religious aspects--Christianity
Alchemy--Religious aspects--Christianity--Sources.
Philosophy, Medieval.
Princeton subject headings:
Alchemy--Religious aspects--Christianity--Sources.
Alchemy--Religious aspects--Christianity.
Philosophy, Medieval.