skos:altLabel | - Posen
- Frontier March of Posen-West Prussia
- Frontier March of Posen-West Prussia province
- Frontier of Posen-West Prussia
- Grenzmark
- Grenzmark Posen-West Prussia
- Province of Grenzmark Posen-West Prussia
- Province of Posen-West Prussia
- province of Grenzmark Posen-West Prussia
- Province of the Frontier March of Posen-West Prussia
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