| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Behind the Emerald Door of Oz The Untold Truth : Esoteric Wisdom • Etymology • Symbology • Numerology • Philosophy | 978-1-5213-7128-2 (1-5213-7128-8) | 2017 |
C C · C Clay · C L · Christopher C. · Christopher Clay · Christopher Lord