R. T. ยท Ruti Teitel
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bach and Riddle of Number Alphabet | 978-0-521-02801-1 (0-521-02801-9) | 2008 |
| Bach and the Riddle of the Number Alphabet | 978-0-521-36191-0 (0-521-36191-5) | 1991 |
| Bach's Numbers | 978-1-107-08860-3 (1-107-08860-7) | 2015 |