Columbia subject headings:
Alchemy--Religious aspects--Christianity--Congresses.
Cabala and Christianity--Congresses.
Occultism--Religious aspects--Christianity--Congresses.
Harvard subject headings:
Alchemy--Religious aspects--Christianity--Congresses.
Cabala and Christianity--Congresses.
Occultism--Religious aspects--Christianity--Congresses.
Princeton subject headings:
Alchemy--Religious aspects--Christianity--Congresses.
Cabala and Christianity--Congresses.
Occultism--Religious aspects--Christianity--Congresses.