Yaden and Newberg, The Varieties of Spiritual Experience, Oxford: Oxford University Press, 2022, 440 pp.

James, William, The Principles of Psychology, vol. 1, New York: Henry Holt & Co., 1890 (abbreviated as PP 1).

James, William, The Principles of Psychology, vol. II, New York: Henry Holt & Co., 1890 (abbreviated as PP 2).

James, William, Psychology (Briefer Course), New York: Henry Holt & Co., 1892. (abbreviated as PBC).

James, William, The Varieties of Religious Experience, New York: Simon & Schuster, 1997 (abbreviated as VRE).

James, William, Pragmatism and Other Writings, New York: Penguin, 2000 (abbreviated as P).

James, William, Essays in Radical Empiricism, Mineola: Dover Publications (abbreviated as ERE), 2003.