A. R. · Allen R. · Allen Trubitt · R. T.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ear Training and Sight Singing: An Integrated Approach, Book 1 | 978-0-02-870810-2 (0-02-870810-5) | 1979 | |
| Ear Training and Sight-Singing: An Integrated Approach, Book 2 | 978-0-02-870820-1 (0-02-870820-2) | 1980 | Robert S. Hines |