Churchward, Albert. (1924): (2003 reprint: ISBN 978-1930097506). Cooke, George Willis. (1920): . Dawkins, Richard. (2006); , kap. 5, ISBN 0-618-68000-4 Hefner, Philip. (1993) . Minneapolis: Fortress Press. Hopkins, E. Washburn. (1923): King, Barbara. (2007): Doubleday Publishing. ISBN 0385521553. Lewis-Williams, David (2002): Thames & Hudson, ISBN 0500051178 Mithen, Steve. (1996): Thames & Hudson. ISBN 0-500-05081-3. McClenon, James (2002): Wondrous Healing: Shamanism, Human Evolution, and the Origin of Religion, Northern Illinois University Press, ISBN 0875802842 (Gjennomgått her av Journal of Religion & Society) Parchment, S. R. (2005): «Religion And Its Effect Upon Human Evolution», i: ISBN 1564596796. Reichardt, E. Noel. (1942): Wade, Nicholas. (2006): . The Penguin Press ISBN 1-59420-079-3. Whitehead, Alfred North (1926): . 1974, New American Library. 1996, with introduction by Judith A. Jones, Fordham Univ. Press. Wolpert, Lewis (2007): New York:W.W. Norton.