| Source | Calendar event | «« October »» |
|---|---|---|
| Carmon | ||
| ALeon | Sanctorum Sergi et Baci | |
| KalCordub | ||
| Scorial2 | ||
| Scorial1 | ||
| Ripoll | ||
| Silos3 | ||
| Silos4 | Sancti Eutici et Iuliani: et sancti Sergi et Baci | |
| LibHor | ||
| LibCom | Sanctorum Sergi et Bacci martyrum Christi | |
| Etymolog | Sanctorum Sergi et Bacci, martyrum Christi | |
| FrMiss | ||
| FrKalMoz | ||
| SantCuxa | In die ss. Marchi papae, Marcelli et Apuley * | |
| MissMix | Martii Episcopi et Confessoris; Sergii et Bachi Martyrum; Marcelli Martyris | |
| BrevGoth | Lini Episcopi et Martyris; Martii Episcopi et Confessoris; Sergii et Bachi Martyrum; Marcelli Martyris | |
| KalGoth |