97 Teilwort-Treffer für Opera
- ohne Operation
- Opera buffa
- Opera in musica
- Opera seria
- Operateur
- operating system
- Operation
- Operation (Lese-/Schreibop.)
- Operation Entebbe
- Operation Exporter
- Operation Frühlingserwachen
- Operation Herkules
- Operation Jonathan
- Operation Peking
- Operation R
- Operation Stalemate II
- Operation Thunderball
- Operation Thunderbolt
- Operation verbundener Kräfte
- Operationalisierung
