| Source | Calendar event | «« May »» |
|---|---|---|
| Carmon | ||
| ALeon | Sancti Isidori Cio insula | |
| KalCordub | ||
| Scorial2 | Sci. Ysidori | |
| Scorial1 | Sti. Isidori | |
| Ripoll | ||
| Silos3 | ||
| Silos4 | Sancti Isidori martyris, in Alexandria | |
| LibHor | ||
| LibCom | Sancti Ysidori martyris Chrisli | |
| Etymolog | Sancti Ysidori, martyris Christi | |
| FrMiss | ||
| FrKalMoz | ||
| SantCuxa | ||
| MissMix | Victoris et Corone Martyrum; Bonifacii Martirys | |
| BrevGoth | Victoris et Corone Martyrum; Bonifacii Martirys | |
| KalGoth |