- Artist
- Quarterflash
- Title
- Harden My Heart / Find Another Fool
- Label
- Geffen Records GGEF 0426
- Country
- US
- Released
- Unknown
- Format
- 45 RPM, 7", Single, Reissue
Other US pressings of Harden My Heart
- ?Geffen Records GGEF 04267", 45 RPM, Single, Stereo
- ?Geffen Records GGEF 04267", 45 RPM, Single, Reissue, Stereo
- 1981Geffen Records GEF 498247", Promo
- 1981Geffen Records GEF498247", Single, 45 RPM
- 1981Geffen Records PRO-A-98712", 33 ⅓ RPM, Promo
- 1981Geffen Records GEF498247", Single, 45 RPM
- 1981Geffen Records GEF498247", Single, 45 RPM
- 1981Geffen Records GEF498247", Single, 45 RPM