PHILIP JENKINS:
THE GREEN MAN AND THE KING OF SALEM. Is
al-Khidr in the Qur'an a late reflex of the patriarch Melchizedek? Maybe. I have argued for something similar in the Hekhalot traditions about the Youth. See my "Melchizedek, the Youth, and Jesus" in
The Dead Sea Scrolls as Background to Postbiblical Judaism and Early Christianity: Papers from a Conference at St. Andrews in 2001 (STDJ 46; Leiden: Brill, 2003) , 248-74.