1. Hillel, D.Rivers of Eden: the Struggle for Water and the Quest for Peace in the Middle East; Oxford University Press: New York, 1994; 355.
2. The Hydraulic Hypothesis: A Reappraisal
3. Reisner, M.Cadillac Desert: The American West and its Disappearing Water; Penguin Books: New York, 1986; 582.
4. Worster, D.Rivers of Empire: Water, Aridity & the Growth of the American West; Pantheon Books: New York, 1985; 402.