M M · M. Morton · Manus M · Morton Manus
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Alfred's Basic Adult Piano Course: Lesson Book Level Two | 978-0-7390-1003-7 | 1984 | |
| Alfred's Basic Adult Piano Course: Lesson Book, Level Two | 978-0-88284-634-7 | 1984 | Amanda Vick Lethco · Willard A. Palmer |
| Alfred's Basic Piano Course: Theory Book, Level 1A | 978-0-7390-1261-1 | 1993 | Willard A. Palmer · Amanda Vick Lethco |
| Technic Book 2. Klavier | 978-0-7390-1631-2 | 1984 | Palmer Willard a |