Here are some sermons on this admittedly difficult verse:
- The Sons of God in Genesis 6, by Rev. John Greer
- How Churches and Societies Degenerate, by Rev. Graeme Craig
- As it Was in the Days of Noah, by Rev. Gordon Dane
- Days of Noah Before the Flood, Part 1,by Dr. Joel Beeke
- Days of Noah Before the Flood, Part 2,by Dr. Joel Beeke
