- Artist
- Mary Hopkin
- Title
- Knock, Knock Who's There?/I'm Going To Fall In Love Again
- Label
- Apple Records APPLE 26
- Country
- UK
- Released
- 1970
- Format
- 7", 45 RPM, Single
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