| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Modern Number System | 978-1-86046-791-2 (1-86046-791-1) | 2000 |
| The World's First Number-Systems | 978-1-86046-790-5 (1-86046-790-3) | 2000 |
E F. · G.E · G *** F · G. T. · T. F.
Georges - Trans. Herman Aihara - Revised and Edited Lou Oles & Shayne Ol Ohsawa