Stephanie, Planetary Apothecary, ISBN 978-1-58091-191-7 Heindel, Max(英语:MaxHeindel) & Heindel, Augusta Foss, The Message of the Stars (Part II: Medical
Clarke, S. (2006): "What is spiritual possession" (页面存档备份,存于互联网档案馆), SSRF MaxHeindel, The Web of Destiny (Chapter I - Part III: "The Dweller on the Threshold"--Earth-Bound
Accounts of Possession, Exorcism, and Redemption. ISBN 0-7432-5467-8 MaxHeindel, The Web of Destiny (Chapter I - Part III: "The Dweller on the Threshold"—Earth-Bound