| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Theosophic Correspondence between Louis Claude de Saint Martin & Kirchberger, Baron de Liebistorf | 978-O-9115OO-62-2 (O-9115OO-62-6) | 1982 | Louis Claude de Saint-Martin |
Nicolas-Antoine Labbey de Billy