Columbia subject headings:
Christianity and other religions.
Gnosticism.
Manichaeism.
Nag Hammadi codices.
Syncretism (Religion)
Harvard subject headings:
Gnosticism
Manichaeism.
Nag Hammadi codices.
Princeton subject headings:
Christianity and other religions.
Gnosticism.
Manichaeism.
Nag Hammadi codices.
Syncretism (Religion)