- Artist
- Mary Hopkin
- Title
- Knock Knock Who's There
- Label
- Apple Records APPLE-26
- Country
- UK
- Released
- 1970
- Format
- 7", 45 RPM, Single
Runout and matrix codes
Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.
- APPLE 26 ARunout, A-side, stamped
- APPLE 26 BRunout, B-side, stamped
Other UK pressings of A Song For Europe
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single
- 1970Apple Records APPLE 267", 45 RPM, Single