Artist: Improved Sound Limited
 | Improved Sound Limited | CBS 65619 | GER 1973 | 25 € |
| - Catch A Singing Bird On The Road | ||||
 | Improved Sound Limited | Cornet 15030 | GER 1969 | 50 € |
| - Engelchen Macht Weiter | ||||
 | Improved Sound Limited | Liberty LBS 83505/06 | UK 1971 | 100 € |
| - Improved Sound Limited (2LP-Set, with poster) | ||||