| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Estill Etudes Volume 1 | 978-0-9859023-1-5 (0-9859023-1-0) | 2018 | Alejandro Saorin Martinez · Mary McDonald Klimek |
| The Estill Voice Model Theory and Translation | 978-0-9859023-0-8 (0-9859023-0-2) | 2017 | Mary McDonald Klimek · Jo Estill |