Littlefield Press ISBN 978-1-58051-077-6 page 4 Joseph Jaja Rao, 2005, The MysticalExperience and Doctrine of St. Louis-Marie Grignion de Montfort Ignatius Press
Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences. Rochester, Vt.: Park Street, 2001. ISBN 0-89281-927-8 Taussig