The Newton Institute: Ann Clark, Karen Joy, Marilyn Hargreaves, and Joanne Selinske. Llewellyn’s Little Book of Life Between Lives. Woodbury, MN: Llewellyn Publications, 2018.
Newton, Michael. Destiny of Souls: New Case Studies of Life Between Lives. St. Paul, MN: Llewellyn Publications, 2002.
———. Journey of Souls: Case Studies of Life Between Lives. 5th ed. St. Paul, MN: Llewellyn Publications, 1996.
———, ed. Memories of The Afterlife: Life Between Lives Stories of Personal Transformation. Woodbury, MN: Llewellyn Publications, 2009.
Parnia, Sam, ed. “AWARE—AWAreness during REsuscitation—A prospective study.” Journal of Resuscitation 85 (2014): 1799–1805.