Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Bells (LP, S/Sided) | ESP Disk | 1010 | Italy | 1965 | |
| Bells (LP, S/Sided) | ESP Disk, ESP Disk | 1010, ESPS 1010 | US | 1965 | |
| Bells (CD, RE, Promo) | Venus Records (5) | VENUS-1002 | Japan | 1993 | |
| Bells (CD, RM) | Calibre (3), ESP Disk | ESP CD 1010 | Netherlands | 2000 | |
| Bells (LP, S/Sided) | Base Record | ESP 1010 | Italy |