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Subject (Region)
- Great Britain3
- British Guiana (1831-1966)2
- Mexico2
- Netherlands2
- Spain2
- Venezuela2
- Argentina1
- Austria1
- China1
- Essequibo River (Guyana)1
- France1
- Germany (to 1949; 1990- )1
- Gibraltar1
- Mississippi River1
- New Granada1
- Oregon Country (1818-1848)1
- Orinoco River (Venezuela)1
- Russia (to 1921)1
- South America1
- Texas, Republic of1