Columbia subject headings:
Gnosticism.
Mysticism.
Occultism--Religious aspects--Orthodox Eastern Church.
Occultism.
Orthodox Eastern Church--Doctrines--Miscellanea.
Theosophy.
Trivia and miscellanea.
Harvard subject headings:
Gnosticism
Occultism
Occultism--Religious aspects--Orthodox Eastern Church
Orthodox Eastern Church--Doctrines--Miscellanea.
Princeton subject headings: