M. Walker · R WALKER · Robert M. · Robert Matthew · Robert W. · Robert Walker
DGR Books · Midas Bks. · Music Sales
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Elvis Presley - A Study in Music | 978-0-85936-162-0 (0-85936-162-4) | 1979 |
| Mahler's 'Das Lied Von Der Erde' - Analytical Aspects | 978-1-898343-09-7 (1-898343-09-8) | 2003 |
| Rachmaninov | 978-0-7119-0253-4 (0-7119-0253-4) | 1985 |