Burnett Hillman Streeter, Arthur Clutton-Brock, Cyril William Emmet, James Arthur Hadfield, Lily Dougall (1922). “Immortality: An Essay in Discovery, Co-ordinating Scientific, Psychical, and Biblical Research”
The last address of King Dominicus Corea on the gallows in Colombo before he was executed by the Portugues; as quoted in "Great Sinhalese Men and Women of History - Edirille Bandara (Domingos Corea)" by John M. Senaveratna, 1937.
"Questions About Meditation You Were Too Embarrassed To Ask, Explained By Deepak Chopra". Interview with Whitney Jefferson, www.buzzfeed.com. August 7, 2014.
Louis Lallemant, Jean Pierre de Caussade, Claude De La Colombiere, Jean-Pierre Lafouge (2006). “For God's Greater Glory: Gems of Jesuit Spirituality”, p.81, World Wisdom, Inc