GPI Publications
Copyright Holder 10
| Keyboard (1978/10) | Magazine | |
| Keyboard (1979/06) | Magazine | |
| Keyboard (1979/07) | Magazine | |
| Keyboard (1979/08) | Magazine | |
| Keyboard (1980/09) | Magazine | |
| Keyboard (1984/08) | Magazine | |
| Keyboard (1986/01) | Magazine | |
| Keyboard (1986/04) | Magazine | |
| Keyboard (1986/07) | Magazine | |
| Keyboard (1989/12) | Magazine |
Publisher 12
| Contemporary Keyboard (1978/04) | Magazine | |
| Keyboard (1978/10) | Magazine | |
| Keyboard (1979/06) | Magazine | |
| Keyboard (1979/07) | Magazine | |
| Keyboard (1979/08) | Magazine | |
| Keyboard (1980/09) | Magazine | |
| The Art Of Electronic Music | Hardback | |
| Keyboard (1984/08) | Magazine | |
| Keyboard (1986/01) | Magazine | |
| Keyboard (1986/04) | Magazine | |
| Keyboard (1986/07) | Magazine | |
| Keyboard (1989/12) | Magazine |