ABRSM · Oxford University Press
| title | ISBN-13 | year of publication |
|---|---|---|
| Harmony in Practice | 978-1-85472-833-3 | 1999 |
| Harmony in Practice: Answer Book | 978-1-85472-992-7 | 1999 |
| Stylistic Harmony | 978-0-19-321051-6 | 1992 |
| Stylistic Harmony Answer Book | 978-0-19-321056-1 | 1994 |
| Stylistic Harmony: Answer Book | 978-0-19-321054-7 | 1992 |
| Stylistic Harmony Work Book | 978-0-19-321059-2 | 1994 |
| Theory Workbook Grade 6 | 978-1-86096-087-1 | 1999 |