L. R. · L. Ruth · L. W. · Linda W.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Music Instruction Forms: 1-Year Journal | 978-0-9673826-8-5 (0-9673826-8-8) | 2007 | Barry Michael Wehrli |
| Piano Practice and Performance | 978-0-9673826-4-7 (0-9673826-4-5) | 2008 | " |