| # | SP/EP Title | Release Date | Label | UK | USA |
| 1. | The Sound Of Philadelphia
& Three Degrees
produced by: Gamble/Huff
(Grammy) | 2/1974 | Philadelphia Int. | 21 | 1 |
| 2. | Love Is The Message
& Three Degrees | 19.07.1974 | Philadelphia | | 85 |
| 3. | Family Affair | 04.10.1974 | CBS | | |
| 4. | Sexy | 6/1975 | Philadelphia International | 37 | 42 |
| 5. | Let's Go Disco | 26.09.1975 | Philadelphia International | | |
| 6. | The Zip | 11/1975 | Philadelphia International | | 91 |
| 7. | K-Jee / Night Fever / If I Can't Have You / More That A Woman
& Bee Gees & Tavares & Yvonne Elliman | 13.01.1978 | RSO | | 1 |
| 8. | Mysteries Of The World | 1/1981 | | 41 | |
| 9. | Gamble-Huff Orchestra / Mysteries of World | 25.05.1999 | | | |
| 10. | Mysteries Of The World / Let's Clean Up The Ghetto (instrumental)
& Philadelphia Allstars | 24.01.2000 | Philadelphia | | |
| 11. | TSOP (The Sound Of Philadelphia) / Love Is The Message | 30.06.2003 | Philadelphia International | | |
| 12. | Love Is The Message / Bra (Mr K re-edit)
& Cymande | 29.09.2003 | Disco Juice | | |
| 13. | Mastercuts Classics Disco EP
(Love Is The Message / Cherchez La Femme / Se Si Bon / You Know How To Love Me / Come Go With Me)
feat The Three Degrees & Dr Buzzard's Original Band & Phyllis Hyman | 04.08.2008 | Mastercuts | | |
| 14. | Kay Gee / There's Only So Much Oil In The Ground So We Better Start Looking For Alternative Power Supplies
& Uncle Ted & The Killer Funk Disco Allstars Orchestra & Power Of Towe | 09.03.2009 | Killer Funk | | |
| 15. | At Peace With Woman / Old San Juan
& The Jones Girls | 21.03.2009 | More Groove | | |
| 16. | Love Is The Message / I'm The One (H Dumpston re edit)
& The Chi-Lites
(reissue) | 26.03.2011 | 12 Dance Classics | | |
| 17. | K-Jee EP
(K Jee (1) / K Jee (2)) | 10.10.2013 | Philadelphia International | | |
