| Source | Calendar event | «« December »» |
|---|---|---|
| Carmon | ||
| ALeon | ||
| KalCordub | ||
| Scorial2 | ||
| Scorial1 | ||
| Ripoll | ||
| Silos3 | ||
| Silos4 | Sancti Nicolai, episcopi confessoris | |
| LibHor | ||
| LibCom | ||
| Etymolog | ||
| FrMiss | ||
| FrKalMoz | ||
| SantCuxa | In conceptione s. Mariae. In prima missa *; Ad missam maiorem | |
| MissMix | Conceptio Virginis Marie | |
| BrevGoth | Conceptio Virginis Marie | |
| KalGoth |