Balticum
- Kingdoms
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- Duchies
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- Military Orders
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Order of Dobrzyn
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- Prince-Bishoprics
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Prince-Bishopric of Dorpat
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Prince-Bishopric of Kurland
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Prince-Archbishopric of Reval
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Prince-Archbishopric of Riga
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Prince-Bishopric of Warmia
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Prince-Bishopric of Ösel-Wiek
- Lordships
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Lordship of Kersel
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Lordship of Lode
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Lordship of Quednau
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Lordship of Uexküll
- Republics
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Republic of Estonia
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Republic of Latvia
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Republic of Lithuania
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Polish People's Republic
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Republic of Poland
- City States
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Free City of Danzig
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Imperial Free City of Riga
