| Label: | Korova 249058-7 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A1 | Who Knows What Love Is? » Producer, Engineer: Phil Thornalley | 3:48 |
| B1 | Poor Hearts » Producer: David Motion | 3:18 |
| Label: | Korova 249057-0 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , 45 RPM) |
| A1 | Who Knows What Love Is? » Producer, Engineer: Phil Thornalley | 3:48 |
| A2 | Poor Hearts » Producer: David Motion | 3:18 |
| B | Let Her Go (Kitchensynch Mix-Up) » Mixed By, Edited By: Drummond, Balfe, Harding, Short, Youth » Producer, Engineer: Phil Thornalley | 4:48 |
| Label: | WEA Musik GmbH 249 058-7 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7") |
| A | Who Knows What Love Is? » Producer, Engineer: Phil Thornalley | 3:44 |
| B | Poor Hearts » Producer: David Motion | 3:15 |
| Label: | Korova 249062-7 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , Single) |
| A | Who Knows What Love Is? » Producer [Uncredited]: Phil Thornalley | 3:45 |
| B | Secrets » Producer: David Motion | 2:49 |
| Label: | Korova P-2011 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , 45 RPM) |
| A | Who Knows What Love Is? | 3:48 |
| B | Poor Hearts | 3:18 |