Columbia subject headings:
Bible. John, I, 1-18--Criticism, interpretation, etc.
Gnosticism--Relations--Christianity.
Gnosticism--Relations--Judaism.
Gnosticism.
Harvard subject headings:
Bible. John, I--Criticism, interpretation, etc.
Bible. John, I--Theology.
Gnosticism
Gnosticism--Relations--Christianity
Gnosticism--Relations--Judaism
Princeton subject headings: