| 1 Planet keyboard | M. Merkies | |
| Sound of Pop Rock Blues Vol 2 | M. Merkies | Hal Leonard |
| Zu Akkorden Spielen Teil 1 | M. Merkies | Hal Leonard |
| Easy Sound of Pop Rock Blues | M. Merkies | Hal Leonard |
| Easy Sound of Pop Rock Blues | M. Merkies | Hal Leonard |
| Planet Keyboard 3 | M. Merkies | Hal Leonard |
| Keyboard World - Deel 4 - Boek met Cd | M. Merkies | Hal Leonard |
| Easy Sound of Pop Rock Blues | M. Merkies | Hal Leonard |
| Easy Sound of Pop Rock Blues | M. Merkies | Hal Leonard |
| Easy Sound of Pop Rock Blues | M. Merkies | Hal Leonard |
| 2 The sound of Pop, Rock & Blues (Eb) | M. Merkies | |
| Zu Akkorden Spielen Teil 2 | M. Merkies | Hal Leonard |
| Sound of Pop Rock Blues Vol 1 | M. Merkies | Hal Leonard |
| Sound of Pop Rock Blues Vol 1 | M. Merkies | Hal Leonard |
| Sound of Pop Rock Blues Vol 2 | M. Merkies | Hal Leonard |
| Easy Sound of Pop Rock Blues | M. Merkies | Hal Leonard |
| Sound of Pop Rock Blues Vol 2 | M. Merkies | Hal Leonard |
| Alto Saxophone The easy sound of Pop, Rock & | M. Merkies |
