Godel, Kurt, "On Formally Undecidable Propositions of Principia Mathematica and Related Systems", Dover Publications Inc., New Yorrk (1992)
Tesla, Nikola., The Problem of Increasing Human Energy: With Special Reference to the Harnessing of the Sun's Energy, Cosimo Classics (January 1, 2008)
Gigliotti, Jim., Who Was Nikola Tesla? Penguin Workshop; Illustrated edition (December 4, 2018)
Cowles, Henry M. "The Scientific Method: An Evolution of Thinking from Darwin to Dewey", Harvard University Press (April 14, 2020)
Armstrong, Karen, "A History of God: The 4,000-Year Quest of Judaism, Christianity and Islam", Ballantine Books (August 9, 1994)
Polkinghorne, John, "Exploring Reality: The Intertwining of Science and Religion", Yale University Press; First edition (April 4, 2007)
Goleman, Daniel, "Emotional Intelligence: Why It Can Matter More Than IQ", Random House Publishing Group; 10th Anniversary edition (September 27, 2005)
McCraty, Rollin, et al, “The Coherent Heart: Heart-Brain Interactions, Pyschophysiological Coherence, and the Emergence of System-Wide Order,” Integral Review, 5, no. 2, (December 2009): 10–115
Mccraty, Rollin, et al, “The Effects of Emotions on Short-Term Power Spectrum Analysis of Heart Rate Variability,” The American Journal of Cardiology, 76, no. 14 (1995): 1089– 1093, doi:10.1016/s0002-9149(99)80309-9.
Mccraty, Rollin, et al, "The Resonant Heart," Shift: At The Frontiers Of Consciousness December 2004–February 2005
Dawkins, Richard, "The God Delusion" Mariner Books; Reprint edition (January 16, 2008)
