L. Eslinger, "A Contextual Identification of the bene ha'elohim and the banôth ha'adam in Genesis 6:1-4", in in Journal for the Study of the Old Testament, Vol. 13 (1979), 65-73.
Jonathan Grossman, "Who are the sons of god? - A new suggestion" in Biblica 99(1):1-18 (2018)
Michael S. Heiser, "Deuteronomy 32:8 and the Sons of God" (2001)
Joseph R. Jochmans, Litt. D., Strange Relics from the Depths of the Earth [1979]
Jeffrey Mallinson, Demon Semen: Traditional and Metaphysical Assumptions in Early Lutheran and Reformed Treatments of Genesis 6:1-4 in Quodlibet Journal: Volume 5 Number 4, October 2003