1. Ryan, William & Walter Pitman, Noah’s Flood, Touchstone books, New York, 2000

2. Cohn, Norman, Noah’s Flood, the genesis story in western thought, Yale University Press, New Haven & London, 1996

3. Imbrie, John and Katherine Palmer Imbrie, Ice Ages, solving the mystery, Harvard University Press, Cambridge, Massachusetts and London, England, 1977