HAMMER Karl · Hemmer Karl · Henry Kariel
Outskirts Press · Trafford Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gold of the Gods: A 30 year search for the philosopher stone | 978-1-4120-0469-5 (1-4120-0469-1) | 2003 |
| The Philosopher's Stone: Immortality Discovered | 978-1-932672-23-7 (1-932672-23-0) | 2004 |