Columbia subject headings:
Gnosticism.
Gospel of truth--Criticism, interpretation, etc.
Nag Hammadi codices.
Rest--Religious aspects.
Harvard subject headings:
Gnosticism
Gospel of truth--Criticism, interpretation, etc.
Nag Hammadi codices.
Rest--Religious aspects--Gnosticism--History of doctrines.
Princeton subject headings:
Gnosticism.
Gospel of truth--Criticism, interpretation, etc.
Nag Hammadi codices--Criticism, interpretation, etc.
Rest--Religious aspects.