Ringgren, Helmer (1990). "Yarad". In Botterweck, G. Johannes; Ringgren, Helmer (eds.). Theological Dictionary of the Old Testament. Eerdmans. ISBN9780802823304.
Matthew 6:26. Greek original uses the word ουρανού (ouranou, like the Greek god of heavens, Uranus) to describe the birds, the same later to describe the Father. Read here
usccb.org
In a footnote on Psalm 29:3, the New American Bible identifies Leviathan as "the seven-headed sea monster of Canaanite mythology".
A footnote on 1 Timothy 6:20–21 in the New American Bible refers only to the possibility of gnostic mythology, not of Rabbinic mythology.
