POLITICAL BOUNDARIES
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BTBOUNDARIES (GEOGRAPHY)
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BTPOLITICAL GEOGRAPHY + GEOPOLITICS
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UDC911.3%32*1
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Descriptor GERPOLITISCHE GRENZEN
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Descriptor ENGPOLITICAL BOUNDARIES
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Descriptor FREFRONTIÈRES POLITIQUES
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Variant GERGRENZEN/POLITISCHE GRENZEN
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Variant ENGBOUNDARIES/POLITICAL BOUNDARIES
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RTPHYSIOGEOGRAPHICAL BOUNDARIES
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RTSTATE BORDERS + STATE FRONTIERS (INTERNATIONAL LAW)