| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2011 | 978-1-879246-00-3 | Dale William Olson | KNOWING Your Intuitive Mind |
| 2004 | 978-1-879246-02-7 | Dale W. Olson | The Pendulum Charts: Knowing Your Intuitive Mind |
| 1997 | 978-1-879246-08-9 | '' | The Pendulum Bridge to Infinite Knowing: Beginning Through Advanced Instruction |
| 2011 | 978-1-879246-09-6 | '' | The PENDULUM Bridge to Infinite Knowing: Beginning Through Advanced Instruction • Complete With Pendulum Charts |